diff --git a/frontend/i18n/index.js b/frontend/i18n/index.js
index a25b8e40..be51924a 100644
--- a/frontend/i18n/index.js
+++ b/frontend/i18n/index.js
@@ -6,6 +6,12 @@ export default {
       iso: 'en-CA',
       file: 'en'
     },
+    {
+      name: '中文',
+      code: 'zh',
+      iso: 'zh-CA',
+      file: 'zh'
+    },
     {
       name: 'Français',
       code: 'fr',
diff --git a/frontend/i18n/zh/generic.js b/frontend/i18n/zh/generic.js
new file mode 100644
index 00000000..e8fbd5ad
--- /dev/null
+++ b/frontend/i18n/zh/generic.js
@@ -0,0 +1,20 @@
+export default {
+  continue: '继续',
+  yes: '是',
+  all: '全部',
+  save: '保存',
+  edit: '编辑',
+  create: '创建',
+  cancel: '取消',
+  close: '关闭',
+  upload: '上传',
+  add: '增加',
+  delete: '删除',
+  search: '搜索',
+  name: '名称',
+  import: '导入',
+  export: '导出',
+  description: '描述',
+  type: '类型',
+  loading: '加载中... 请等待'
+}
diff --git a/frontend/i18n/zh/header.js b/frontend/i18n/zh/header.js
new file mode 100644
index 00000000..9f50d6ab
--- /dev/null
+++ b/frontend/i18n/zh/header.js
@@ -0,0 +1,3 @@
+export default {
+  projects: '项目'
+}
diff --git a/frontend/i18n/zh/home.js b/frontend/i18n/zh/home.js
new file mode 100644
index 00000000..7124e357
--- /dev/null
+++ b/frontend/i18n/zh/home.js
@@ -0,0 +1,18 @@
+export default {
+  mainTitle: '文本标注平台',
+  getStarted: '快速开始',
+  startAnnotation: '开始标注',
+  featuresTitle: '最大特色',
+  featuresTitle1: '团队合作',
+  featuresText1: '与你的团队标注',
+  featuresTitle2: '任何语言',
+  featuresText2: '用任何语言标注',
+  featuresTitle3: '免费开源',
+  featuresText3: '免费可自定义',
+  footerTitle: '尽快实现你的想法',
+  demoDropDown: '试一试',
+  demoNER: '命名实体识别',
+  demoSent: '情感分析',
+  demoTranslation: '文本翻译',
+  demoTextToSQL: '语义解析Text-to-SQL'
+}
diff --git a/frontend/i18n/zh/index.js b/frontend/i18n/zh/index.js
new file mode 100644
index 00000000..0f1ae8e6
--- /dev/null
+++ b/frontend/i18n/zh/index.js
@@ -0,0 +1,35 @@
+import home from './home'
+import header from './header'
+import generic from './generic'
+import rules from './rules'
+import toastui from './toastui'
+import user from './user'
+import vuetify from './vuetify'
+import annotation from './projects/annotation'
+import dataset from './projects/dataset'
+import errors from './projects/errors'
+import guideline from './projects/guideline'
+import projectHome from './projects/home'
+import labels from './projects/labels'
+import members from './projects/members'
+import overview from './projects/overview'
+import statistics from './projects/statistics'
+
+export default {
+  home,
+  header,
+  generic,
+  rules,
+  toastui,
+  user,
+  vuetify,
+  annotation,
+  dataset,
+  errors,
+  guideline,
+  projectHome,
+  labels,
+  members,
+  overview,
+  statistics
+}
diff --git a/frontend/i18n/zh/projects/annotation.js b/frontend/i18n/zh/projects/annotation.js
new file mode 100644
index 00000000..dd142a54
--- /dev/null
+++ b/frontend/i18n/zh/projects/annotation.js
@@ -0,0 +1,14 @@
+export default {
+  checkedTooltip: '已选',
+  notCheckedTooltip: '未选',
+  selectFilterTooltip: '过滤',
+  filterOption1: '全部',
+  filterOption2: '已标注',
+  filterOption3: '未标注',
+  guidelineTooltip: '显示指南',
+  guidelinePopupTitle: '标注指南',
+  metadataDefaultMessage: '没有数据可获得',
+  key: '键',
+  value: '值',
+  newText: '下一条'
+}
diff --git a/frontend/i18n/zh/projects/dataset.js b/frontend/i18n/zh/projects/dataset.js
new file mode 100644
index 00000000..f3046a89
--- /dev/null
+++ b/frontend/i18n/zh/projects/dataset.js
@@ -0,0 +1,19 @@
+export default {
+  dataset: '数据集',
+  actions: '操作',
+  importDataset: '导入数据集',
+  exportDataset: '导出数据集',
+  text: '文本',
+  metadata: '元数据',
+  action: '操作',
+  annotate: '标注',
+  importDataTitle: '上传数据',
+  importDataMessage1: '选择文件格式',
+  importDataMessage2: '选择一个文件',
+  importDataPlaceholder: '请导入文件',
+  exportDataTitle: '导出数据',
+  exportDataMessage: '请选择文件格式',
+  deleteDocumentsTitle: '删除文档',
+  deleteDocumentsMessage: '你确定要从这个项目中删除这些文档吗？',
+  pageText: '{0}-{1} of {2}'
+}
diff --git a/frontend/i18n/zh/projects/errors.js b/frontend/i18n/zh/projects/errors.js
new file mode 100644
index 00000000..933160e3
--- /dev/null
+++ b/frontend/i18n/zh/projects/errors.js
@@ -0,0 +1,5 @@
+export default {
+  fileCannotUpload: '这个文件不能被上传，获取格式错误，请仔细检查文件格式',
+  labelCannotCreate: '这个标签不能被创建，你可能在其它的键上用了相同的标签名',
+  invalidUserOrPass: '用户名或者密码不正确'
+}
diff --git a/frontend/i18n/zh/projects/guideline.js b/frontend/i18n/zh/projects/guideline.js
new file mode 100644
index 00000000..dedb79b6
--- /dev/null
+++ b/frontend/i18n/zh/projects/guideline.js
@@ -0,0 +1,4 @@
+export default {
+  guideline: '指南',
+  writeGuidelinePrompt: '请写入标注指南'
+}
diff --git a/frontend/i18n/zh/projects/home.js b/frontend/i18n/zh/projects/home.js
new file mode 100644
index 00000000..63d9faf4
--- /dev/null
+++ b/frontend/i18n/zh/projects/home.js
@@ -0,0 +1,11 @@
+export default {
+  home: '主页',
+  welcome: '欢迎进入数据标注平台',
+  importData: '导入数据集',
+  createLabels: '为这个项目创建标签名',
+  addMembers: '添加成员',
+  defineGuideline: '定义指南',
+  annotateDataset: '标注数据集',
+  viewStatistics: '查看统计',
+  exportDataset: '导出数据集'
+}
diff --git a/frontend/i18n/zh/projects/labels.js b/frontend/i18n/zh/projects/labels.js
new file mode 100644
index 00000000..47e2a846
--- /dev/null
+++ b/frontend/i18n/zh/projects/labels.js
@@ -0,0 +1,17 @@
+export default {
+  labels: '标签',
+  shortkey: '短键',
+  color: '颜色',
+  createLabel: '创建标签',
+  importLabels: '导入标签',
+  exportLabels: '导出标签',
+  labelName: '标签名',
+  labelMessage: '请输入标签名',
+  key: '键',
+  deleteLabel: '删除标签',
+  deleteMessage: '你确定要从这个项目中删除这些标签吗',
+  importTitle: '导入标签',
+  importMessage1: '样例格式',
+  importMessage2: '请选择一个文件',
+  filePlaceholder: '输入文件'
+}
diff --git a/frontend/i18n/zh/projects/members.js b/frontend/i18n/zh/projects/members.js
new file mode 100644
index 00000000..2ce9a525
--- /dev/null
+++ b/frontend/i18n/zh/projects/members.js
@@ -0,0 +1,16 @@
+export default {
+  members: '成员',
+  role: '角色',
+  updateRole: '更行角色',
+  addMember: '添加成员',
+  userSearchAPIs: '用户搜索接口',
+  userSearchPrompt: '开始搜索',
+  removeMember: '移除成员',
+  removePrompt: '你确定要移除当前成员吗?',
+  roles: {
+    projectAdmin: '项目管理员',
+    annotator: '标注员',
+    annotationApprover: '审查员',
+    undefined: '角色未定义'
+  }
+}
diff --git a/frontend/i18n/zh/projects/overview.js b/frontend/i18n/zh/projects/overview.js
new file mode 100644
index 00000000..5a74b10b
--- /dev/null
+++ b/frontend/i18n/zh/projects/overview.js
@@ -0,0 +1,19 @@
+export default {
+  createProjectTitle: '添加项目',
+  projectName: '项目名称',
+  projectType: '项目类型',
+  textClassification: '文本分类',
+  sequenceLabeling: '序列标注',
+  sequenceToSequence: '序列到序列',
+  randomizeDocOrder: '随机文档顺序',
+  shareAnnotations: '在所有用户共享标注',
+  delete: '删除',
+  deleteProjectTitle: '删除项目',
+  deleteProjectMessage: '你确定要删除这些项目吗？',
+  search: '搜索',
+  projectTypes: [
+    '文本分类',
+    '序列标注',
+    '序列到序列'
+  ]
+}
diff --git a/frontend/i18n/zh/projects/statistics.js b/frontend/i18n/zh/projects/statistics.js
new file mode 100644
index 00000000..602c70ce
--- /dev/null
+++ b/frontend/i18n/zh/projects/statistics.js
@@ -0,0 +1,9 @@
+export default {
+  statistics: '统计',
+  progress: [
+    '已完成',
+    '未完成'
+  ],
+  labelStats: '标签统计',
+  userStats: '用户统计'
+}
diff --git a/frontend/i18n/zh/rules.js b/frontend/i18n/zh/rules.js
new file mode 100644
index 00000000..23914714
--- /dev/null
+++ b/frontend/i18n/zh/rules.js
@@ -0,0 +1,38 @@
+export default {
+  colorRules: {
+    colorRequired: '请输入颜色'
+  },
+  labelNameRules: {
+    labelRequired: '请输入名称',
+    labelLessThan30Chars: '名称必须少于30个字符'
+  },
+  userNameRules: {
+    userNameRequired: '请输入用户名',
+    userNameLessThan30Chars: '用户名必须少于30个字符'
+  },
+  roleRules: {
+    roleRequired: '请输入角色'
+  },
+  projectNameRules: {
+    projectNameRequired: '请输入项目名称',
+    projectNameLessThan30Chars: '项目名称必须少于30个字符'
+  },
+  descriptionRules: {
+    descriptionRequired: '请输入描述',
+    descriptionLessThan30Chars: '描述必须少于100个字符'
+  },
+  projectTypeRules: {
+    projectTypeRequired: '请输入项目类型'
+  },
+  fileFormatRules: {
+    fileFormatRequired: '请输入文件类型'
+  },
+  uploadFileRules: {
+    fileRequired: '请输入文件',
+    fileLessThan1MB: '文件大小必须小于 1 MB!'
+  },
+  passwordRules: {
+    passwordRequired: '请输入密码',
+    passwordLessThan30Chars: '密码必须小于30个字符'
+  }
+}
diff --git a/frontend/i18n/zh/toastui.js b/frontend/i18n/zh/toastui.js
new file mode 100644
index 00000000..7d8afa93
--- /dev/null
+++ b/frontend/i18n/zh/toastui.js
@@ -0,0 +1,3 @@
+export default {
+  localeCode: 'zh_CN'
+}
diff --git a/frontend/i18n/zh/user.js b/frontend/i18n/zh/user.js
new file mode 100644
index 00000000..d1b571ca
--- /dev/null
+++ b/frontend/i18n/zh/user.js
@@ -0,0 +1,6 @@
+export default {
+  login: '登录',
+  signOut: '注销',
+  username: '用户名',
+  password: '密码'
+}
diff --git a/frontend/i18n/zh/vuetify.js b/frontend/i18n/zh/vuetify.js
new file mode 100644
index 00000000..8f6d2420
--- /dev/null
+++ b/frontend/i18n/zh/vuetify.js
@@ -0,0 +1,4 @@
+export default {
+  itemsPerPageText: '每页最多可显示',
+  noDataAvailable: '没有数据可获得'
+}
diff --git a/frontend/i18n/zh/zh/generic.js b/frontend/i18n/zh/zh/generic.js
new file mode 100644
index 00000000..e8fbd5ad
--- /dev/null
+++ b/frontend/i18n/zh/zh/generic.js
@@ -0,0 +1,20 @@
+export default {
+  continue: '继续',
+  yes: '是',
+  all: '全部',
+  save: '保存',
+  edit: '编辑',
+  create: '创建',
+  cancel: '取消',
+  close: '关闭',
+  upload: '上传',
+  add: '增加',
+  delete: '删除',
+  search: '搜索',
+  name: '名称',
+  import: '导入',
+  export: '导出',
+  description: '描述',
+  type: '类型',
+  loading: '加载中... 请等待'
+}
diff --git a/frontend/i18n/zh/zh/header.js b/frontend/i18n/zh/zh/header.js
new file mode 100644
index 00000000..9f50d6ab
--- /dev/null
+++ b/frontend/i18n/zh/zh/header.js
@@ -0,0 +1,3 @@
+export default {
+  projects: '项目'
+}
diff --git a/frontend/i18n/zh/zh/home.js b/frontend/i18n/zh/zh/home.js
new file mode 100644
index 00000000..a08eb781
--- /dev/null
+++ b/frontend/i18n/zh/zh/home.js
@@ -0,0 +1,18 @@
+export default {
+  mainTitle: '让文本标注服务人类',
+  getStarted: '快速开始',
+  startAnnotation: '开始标注',
+  featuresTitle: '功能特性',
+  featuresTitle1: '团队合作',
+  featuresText1: '与你的团队标注',
+  featuresTitle2: '任何语言',
+  featuresText2: '用任何语言标注',
+  featuresTitle3: '免费开源',
+  featuresText3: '标注免费可自定义',
+  footerTitle: '尽快实现你的想法',
+  demoDropDown: '试一试',
+  demoNER: '命名实体识别',
+  demoSent: '情感分析',
+  demoTranslation: '文本翻译',
+  demoTextToSQL: '语义解析Text-to-SQL'
+}
diff --git a/frontend/i18n/zh/zh/index.js b/frontend/i18n/zh/zh/index.js
new file mode 100644
index 00000000..0f1ae8e6
--- /dev/null
+++ b/frontend/i18n/zh/zh/index.js
@@ -0,0 +1,35 @@
+import home from './home'
+import header from './header'
+import generic from './generic'
+import rules from './rules'
+import toastui from './toastui'
+import user from './user'
+import vuetify from './vuetify'
+import annotation from './projects/annotation'
+import dataset from './projects/dataset'
+import errors from './projects/errors'
+import guideline from './projects/guideline'
+import projectHome from './projects/home'
+import labels from './projects/labels'
+import members from './projects/members'
+import overview from './projects/overview'
+import statistics from './projects/statistics'
+
+export default {
+  home,
+  header,
+  generic,
+  rules,
+  toastui,
+  user,
+  vuetify,
+  annotation,
+  dataset,
+  errors,
+  guideline,
+  projectHome,
+  labels,
+  members,
+  overview,
+  statistics
+}
diff --git a/frontend/i18n/zh/zh/projects/annotation.js b/frontend/i18n/zh/zh/projects/annotation.js
new file mode 100644
index 00000000..dd142a54
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/annotation.js
@@ -0,0 +1,14 @@
+export default {
+  checkedTooltip: '已选',
+  notCheckedTooltip: '未选',
+  selectFilterTooltip: '过滤',
+  filterOption1: '全部',
+  filterOption2: '已标注',
+  filterOption3: '未标注',
+  guidelineTooltip: '显示指南',
+  guidelinePopupTitle: '标注指南',
+  metadataDefaultMessage: '没有数据可获得',
+  key: '键',
+  value: '值',
+  newText: '下一条'
+}
diff --git a/frontend/i18n/zh/zh/projects/dataset.js b/frontend/i18n/zh/zh/projects/dataset.js
new file mode 100644
index 00000000..f3046a89
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/dataset.js
@@ -0,0 +1,19 @@
+export default {
+  dataset: '数据集',
+  actions: '操作',
+  importDataset: '导入数据集',
+  exportDataset: '导出数据集',
+  text: '文本',
+  metadata: '元数据',
+  action: '操作',
+  annotate: '标注',
+  importDataTitle: '上传数据',
+  importDataMessage1: '选择文件格式',
+  importDataMessage2: '选择一个文件',
+  importDataPlaceholder: '请导入文件',
+  exportDataTitle: '导出数据',
+  exportDataMessage: '请选择文件格式',
+  deleteDocumentsTitle: '删除文档',
+  deleteDocumentsMessage: '你确定要从这个项目中删除这些文档吗？',
+  pageText: '{0}-{1} of {2}'
+}
diff --git a/frontend/i18n/zh/zh/projects/errors.js b/frontend/i18n/zh/zh/projects/errors.js
new file mode 100644
index 00000000..933160e3
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/errors.js
@@ -0,0 +1,5 @@
+export default {
+  fileCannotUpload: '这个文件不能被上传，获取格式错误，请仔细检查文件格式',
+  labelCannotCreate: '这个标签不能被创建，你可能在其它的键上用了相同的标签名',
+  invalidUserOrPass: '用户名或者密码不正确'
+}
diff --git a/frontend/i18n/zh/zh/projects/guideline.js b/frontend/i18n/zh/zh/projects/guideline.js
new file mode 100644
index 00000000..dedb79b6
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/guideline.js
@@ -0,0 +1,4 @@
+export default {
+  guideline: '指南',
+  writeGuidelinePrompt: '请写入标注指南'
+}
diff --git a/frontend/i18n/zh/zh/projects/home.js b/frontend/i18n/zh/zh/projects/home.js
new file mode 100644
index 00000000..63d9faf4
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/home.js
@@ -0,0 +1,11 @@
+export default {
+  home: '主页',
+  welcome: '欢迎进入数据标注平台',
+  importData: '导入数据集',
+  createLabels: '为这个项目创建标签名',
+  addMembers: '添加成员',
+  defineGuideline: '定义指南',
+  annotateDataset: '标注数据集',
+  viewStatistics: '查看统计',
+  exportDataset: '导出数据集'
+}
diff --git a/frontend/i18n/zh/zh/projects/labels.js b/frontend/i18n/zh/zh/projects/labels.js
new file mode 100644
index 00000000..341b72e0
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/labels.js
@@ -0,0 +1,17 @@
+export default {
+  labels: '标签',
+  shortkey: '键',
+  color: '颜色',
+  createLabel: '创建标签',
+  importLabels: '创建标签',
+  exportLabels: '导出标签',
+  labelName: '标签名',
+  labelMessage: '请输入标签名',
+  key: 'Key',
+  deleteLabel: '删除标签',
+  deleteMessage: '你确定要从这个项目中删除这些标签吗',
+  importTitle: '导入标签',
+  importMessage1: '样例格式',
+  importMessage2: '请选择一个文件',
+  filePlaceholder: '输入文件'
+}
diff --git a/frontend/i18n/zh/zh/projects/members.js b/frontend/i18n/zh/zh/projects/members.js
new file mode 100644
index 00000000..2ce9a525
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/members.js
@@ -0,0 +1,16 @@
+export default {
+  members: '成员',
+  role: '角色',
+  updateRole: '更行角色',
+  addMember: '添加成员',
+  userSearchAPIs: '用户搜索接口',
+  userSearchPrompt: '开始搜索',
+  removeMember: '移除成员',
+  removePrompt: '你确定要移除当前成员吗?',
+  roles: {
+    projectAdmin: '项目管理员',
+    annotator: '标注员',
+    annotationApprover: '审查员',
+    undefined: '角色未定义'
+  }
+}
diff --git a/frontend/i18n/zh/zh/projects/overview.js b/frontend/i18n/zh/zh/projects/overview.js
new file mode 100644
index 00000000..5a74b10b
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/overview.js
@@ -0,0 +1,19 @@
+export default {
+  createProjectTitle: '添加项目',
+  projectName: '项目名称',
+  projectType: '项目类型',
+  textClassification: '文本分类',
+  sequenceLabeling: '序列标注',
+  sequenceToSequence: '序列到序列',
+  randomizeDocOrder: '随机文档顺序',
+  shareAnnotations: '在所有用户共享标注',
+  delete: '删除',
+  deleteProjectTitle: '删除项目',
+  deleteProjectMessage: '你确定要删除这些项目吗？',
+  search: '搜索',
+  projectTypes: [
+    '文本分类',
+    '序列标注',
+    '序列到序列'
+  ]
+}
diff --git a/frontend/i18n/zh/zh/projects/statistics.js b/frontend/i18n/zh/zh/projects/statistics.js
new file mode 100644
index 00000000..602c70ce
--- /dev/null
+++ b/frontend/i18n/zh/zh/projects/statistics.js
@@ -0,0 +1,9 @@
+export default {
+  statistics: '统计',
+  progress: [
+    '已完成',
+    '未完成'
+  ],
+  labelStats: '标签统计',
+  userStats: '用户统计'
+}
diff --git a/frontend/i18n/zh/zh/rules.js b/frontend/i18n/zh/zh/rules.js
new file mode 100644
index 00000000..23914714
--- /dev/null
+++ b/frontend/i18n/zh/zh/rules.js
@@ -0,0 +1,38 @@
+export default {
+  colorRules: {
+    colorRequired: '请输入颜色'
+  },
+  labelNameRules: {
+    labelRequired: '请输入名称',
+    labelLessThan30Chars: '名称必须少于30个字符'
+  },
+  userNameRules: {
+    userNameRequired: '请输入用户名',
+    userNameLessThan30Chars: '用户名必须少于30个字符'
+  },
+  roleRules: {
+    roleRequired: '请输入角色'
+  },
+  projectNameRules: {
+    projectNameRequired: '请输入项目名称',
+    projectNameLessThan30Chars: '项目名称必须少于30个字符'
+  },
+  descriptionRules: {
+    descriptionRequired: '请输入描述',
+    descriptionLessThan30Chars: '描述必须少于100个字符'
+  },
+  projectTypeRules: {
+    projectTypeRequired: '请输入项目类型'
+  },
+  fileFormatRules: {
+    fileFormatRequired: '请输入文件类型'
+  },
+  uploadFileRules: {
+    fileRequired: '请输入文件',
+    fileLessThan1MB: '文件大小必须小于 1 MB!'
+  },
+  passwordRules: {
+    passwordRequired: '请输入密码',
+    passwordLessThan30Chars: '密码必须小于30个字符'
+  }
+}
diff --git a/frontend/i18n/zh/zh/toastui.js b/frontend/i18n/zh/zh/toastui.js
new file mode 100644
index 00000000..7d8afa93
--- /dev/null
+++ b/frontend/i18n/zh/zh/toastui.js
@@ -0,0 +1,3 @@
+export default {
+  localeCode: 'zh_CN'
+}
diff --git a/frontend/i18n/zh/zh/user.js b/frontend/i18n/zh/zh/user.js
new file mode 100644
index 00000000..d1b571ca
--- /dev/null
+++ b/frontend/i18n/zh/zh/user.js
@@ -0,0 +1,6 @@
+export default {
+  login: '登录',
+  signOut: '注销',
+  username: '用户名',
+  password: '密码'
+}
diff --git a/frontend/i18n/zh/zh/vuetify.js b/frontend/i18n/zh/zh/vuetify.js
new file mode 100644
index 00000000..8f6d2420
--- /dev/null
+++ b/frontend/i18n/zh/zh/vuetify.js
@@ -0,0 +1,4 @@
+export default {
+  itemsPerPageText: '每页最多可显示',
+  noDataAvailable: '没有数据可获得'
+}