diff --git a/models/group.js b/models/group.js
new file mode 100644
index 0000000..e705a1b
--- /dev/null
+++ b/models/group.js
@@ -0,0 +1,8 @@
+import connector from "#models/databaseUtil";
+
+const groupSchema = {
+    groupName: { type: String, required: true },
+    studentIds: { type: [Number], required: true }, //array of number
+}
+
+const groupModel = new connector.model('group', groupSchema);
\ No newline at end of file