diff --git a/ranklist.h b/ranklist.h
new file mode 100644
index 0000000..589ecae
--- /dev/null
+++ b/ranklist.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "common.h"
+#include <vector>
+
+class RankList
+{
+private:
+	std::vector<PlayerMsg> m_msg;
+	const std::string m_rankfile = "retro";
+	const int MAX_RANK = 10;
+public:
+	RankList();
+
+	void SaveMsg(PlayerMsg msg);
+	std::vector<PlayerMsg> getRankList();
+	void SaveToRank();
+
+private:
+	void WriteTime(PlayerMsg& msg);
+	void ReadFile();
+	void WriteFile();
+};