diff --git a/list/list.c b/list/list.c
index e69de29..f964bb4 100644
--- a/list/list.c
+++ b/list/list.c
@@ -0,0 +1,14 @@
+/* ********************************************************
+ * This file is used to test the header file(list.h).
+ * When the project is finished, this file will be deleted.
+ * This file create by saturneric at 20:04 on Feb 7th.
+ * *******************************************************/
+ 
+#include <stdio.h>
+#include <stdlib.h>
+#include "list.h"
+
+int main(int argc, char **argv){
+	
+	return 0;
+}
diff --git a/list/list.h b/list/list.h
index e69de29..ae912f5 100644
--- a/list/list.h
+++ b/list/list.h
@@ -0,0 +1,24 @@
+typedef struct Node{
+	unsigned long int id;
+	void *value;
+	struct Node *next;
+	struct Node *front;
+} Node;
+
+typedef struct List{
+	Node *head;
+	Node *tail;
+	unsigned long int length;
+} List;
+
+List *init_list();
+Node *init_node();
+int insertInHead(List *p_list, Node *p_node);
+int insertInTail(List*p_list, Node *p_node);
+int removeById(List *p_list, unsigned long id);
+int removeByNode(List *p_list, Node *p_node);
+int popFromHead(List *p_list);
+int popFromTail(List *p_list);
+unsigned long int len(List *p_list);
+Node *findById(List *p_list, unsigned long int id);
+Node *findByValue(List *p_list, char type[], void *value);