diff --git a/src/data_base.h b/src/data_base.h
new file mode 100644
index 0000000..32b64d2
--- /dev/null
+++ b/src/data_base.h
@@ -0,0 +1,18 @@
+#ifndef DATA_BASE_H
+#define DATA_BASE_H
+#include <QSqlDatabase>
+#include <QSqlError>
+#include <QSqlQuery>
+#include <QDebug>
+#include <QVariant>
+class Data_base
+{
+public:
+    void static set_database();
+    void static creat_table();
+    void static delete_table();
+
+    bool static check_user(QString Username,QString Password);
+};
+
+#endif // DATA_BASE_H