The technology of automatic monitoring system for ships abroad is advanced. Ship monitoring system, VMS for short. A special system established by international fishery organizations or countries to monitor the fishing activities of fishing boats within their jurisdiction. It is mainly divided into three parts: ship monitoring system transmitter, satellite transmission system and ground receiver installed on the ship. Through the global positioning system, fishing boats can report fishing position, tracking and fishing in real time, and relevant organizations and countries can also directly monitor fishing activities of fishing boats. It can effectively implement monitoring and solve the problem of increasing IUU fishing. It is still necessary to actively carry out international cooperation and integrate different use systems.