diff --git a/list/list.h b/list/list.h
index 9b069db..f8b35a8 100644
--- a/list/list.h
+++ b/list/list.h
@@ -39,3 +39,69 @@ int insertInTail(List *p_list, Node *p_node){
 	p_list->tail = p_node;
 	return 0;
 }
+
+int removeById(List *p_list, unsigned long id){
+	Node *tmp = p_list->head;
+	if(tmp == NULL)
+		return -1;//这说明p_list指向空列表
+
+	do{	
+		if( *(tmp->value) == id ){
+			tmp->last->next = tmp->next;
+			tmp->next->last = tmp->last;
+			return 1;//找到了
+		}
+		else
+			tmp = tmp->next;
+	}while(tmp != NULL)
+
+	return 0;//没找到
+}
+
+int removeByNode(List *p_list, Node *p_node){
+	Node *tmp = p_list->head;
+	if(tmp == NULL)
+		return -1;//这说明p_list指向空列表
+
+	do{
+		if(tmp == p_node){
+			tmp->last->next = tmp->next;
+			tmp->next->last = tmp->last;
+			return 1;//找到了
+		}
+		else
+			tmp = tmp->next;
+	}while(tmp != NULL)
+
+	return 0;//没找到
+}
+
+int popFromHead(List *p_list){
+	if(p_list->head == NULL)
+		return -1;
+
+	if(p_list->head->next == NULL){
+		p_list->head = NULL;
+		p_list->tail = NULL;
+	}
+	else{
+		p_list->head->next->last = NULL;
+		p_list->head = p_list->head->next;
+	}
+	return 0;
+}
+
+int popFromTail(List *p_list){
+	if(p_list->head == NULL)
+		return -1;
+
+	if(p_list->head->next == NULL){
+		p_list->head = NULL;
+		p_list->tail = NULL;
+	}
+	else{
+		p_list->tail->last->next = NULL;
+		p_list->tail = p_list->tail->last;
+	}
+	return 0;
+}