diff --git a/oj/urls.py b/oj/urls.py
index 1431dc6..fbe7856 100644
--- a/oj/urls.py
+++ b/oj/urls.py
@@ -11,7 +11,7 @@ from group.views import GroupAdminAPIView
 from admin.views import AdminTemplateView
 
 from problem.views import ProblemAdminAPIView
-from problem.views import TestCaseUploadAPIView
+from problem.views import TestCaseUploadAPIView, ProblemTagAdminAPIView
 
 
 urlpatterns = [
@@ -41,4 +41,5 @@ urlpatterns = [
     url(r'^api/admin/group/$', GroupAdminAPIView.as_view(), name="group_admin_api"),
     url(r'^api/admin/problem/$', ProblemAdminAPIView.as_view(), name="problem_admin_api"),
     url(r'^api/admin/test_case_upload/$', TestCaseUploadAPIView.as_view(), name="test_case_upload_api"),
+    url(r'^api/admin/tag/$', ProblemTagAdminAPIView.as_view(), name="problem_tag_admin_api"),
 ]
diff --git a/problem/migrations/0002_remove_problemtag_description.py b/problem/migrations/0002_remove_problemtag_description.py
new file mode 100644
index 0000000..2953e68
--- /dev/null
+++ b/problem/migrations/0002_remove_problemtag_description.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('problem', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='problemtag',
+            name='description',
+        ),
+    ]
diff --git a/problem/models.py b/problem/models.py
index 0132072..3e236af 100644
--- a/problem/models.py
+++ b/problem/models.py
@@ -6,7 +6,7 @@ from account.models import User
 
 class ProblemTag(models.Model):
     name = models.CharField(max_length=30)
-    description = models.CharField(max_length=50)
+    # description = models.CharField(max_length=50)
 
     class Meta:
         db_table = "problem_tag"
diff --git a/problem/serizalizers.py b/problem/serizalizers.py
index 441c9c5..66f3d75 100644
--- a/problem/serizalizers.py
+++ b/problem/serizalizers.py
@@ -4,7 +4,7 @@ import json
 from rest_framework import serializers
 
 from account.models import User
-from .models import Problem
+from .models import Problem, ProblemTag
 
 
 class ProblemSampleSerializer(serializers.ListField):
@@ -60,3 +60,12 @@ class EditProblemSerializer(serializers.Serializer):
     hint = serializers.CharField(max_length=10000)
     visible = serializers.BooleanField()
 
+
+
+class ProblemTagSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ProblemTag
+
+
+class CreateProblemTagSerializer(serializers.Serializer):
+    name = serializers.CharField(max_length=10)
\ No newline at end of file
diff --git a/problem/views.py b/problem/views.py
index 0a5490f..eda2c72 100644
--- a/problem/views.py
+++ b/problem/views.py
@@ -11,10 +11,36 @@ from django.db.models import Q
 from rest_framework.views import APIView
 
 from utils.shortcuts import serializer_invalid_response, error_response, success_response, paginate, rand_str
-from .serizalizers import CreateProblemSerializer, EditProblemSerializer, ProblemSerializer
+from .serizalizers import (CreateProblemSerializer, EditProblemSerializer, ProblemSerializer,
+                           ProblemTagSerializer, CreateProblemTagSerializer)
 from .models import Problem, ProblemTag
 
 
+class ProblemTagAdminAPIView(APIView):
+    def post(self, request):
+        """
+        创建标签的接口
+        ---
+        request_serializer: CreateProblemTagSerializer
+        """
+        serializer = CreateProblemTagSerializer(data=request.data)
+        if serializer.is_valid():
+            try:
+                tag = ProblemTag.objects.get(name=serializer.data["name"])
+            except ProblemTag.DoesNotExist:
+                tag = ProblemTag.objects.create(name=serializer.data["name"])
+            return success_response(ProblemTagSerializer(tag).data)
+        else:
+            return error_response(serializer)
+
+    def get(self, request):
+        keyword = request.GET.get("keyword", None)
+        if not keyword:
+            return error_response(u"参数错误")
+        tags = ProblemTag.objects.filter(name__contains=keyword)
+        return success_response(ProblemTagSerializer(tags, many=True).data)
+
+
 
 
 def problem_page(request, problem_id):