diff --git a/program/serializers.py b/program/serializers.py
new file mode 100644
index 0000000..80aa88c
--- /dev/null
+++ b/program/serializers.py
@@ -0,0 +1,45 @@
+from rest_framework.serializers import ModelSerializer
+
+from program.models import Proposal, ProposalCategory
+
+
+class ProposalSerializer(ModelSerializer):
+    class Meta:
+        model = Proposal
+        fields = [
+            "user",
+            "title",
+            "brief",
+            "desc",
+            "comment",
+            "difficulty",
+            "duration",
+            "language",
+            "category",
+            "accepted",
+            "introduction",
+            "video_url",
+            "slide_url",
+            "room_num",
+        ]
+
+
+class ProposalListSerializer(ModelSerializer):
+    class Meta:
+        model = Proposal
+        fields = [
+            "title",
+            "brief",
+            "difficulty",
+            "duration",
+            "language",
+            "category",
+        ]
+
+
+class ProposalCategorySerializer(ModelSerializer):
+    class Meta:
+        model = ProposalCategory
+        fields = [
+            "name",
+        ]