diff --git a/src/case.h b/src/case.h
new file mode 100644
index 0000000..6ee5bcb
--- /dev/null
+++ b/src/case.h
@@ -0,0 +1,25 @@
+#ifndef CASE_H
+#define CASE_H
+
+#include<string>
+
+class User{
+public:
+  std::string UserName;
+  std::string Password;
+  std::string UserType;
+
+  User(const std::string& uname,const std::string& pwd,const std::string& type)
+    :UserName(uname),Password(pwd),UserType(type){}
+};
+
+class Question{
+public:
+  int id;
+  std::string content;
+
+  Question(int ID,const std::string& cont)
+    :id(ID),content(cont){}
+};
+
+#endif
\ No newline at end of file