Abstract: Firstly the importance of developing propulsion systems on the GSO satellites was briefly introduced.And then their main fuctions,use status and development prospects were emphasised.Finally the constructive suggestions on developing our new GSO satellite propulsion systems were put forward

Key words: Geosynchronous satellite;Propulsion system;Payload;Satellite lifetime

摘要： 简要介绍优化地球同步轨道（ＧＳＯ）卫星推进系统的重要性，重点分析ＧＳＯ卫星推进系统的主要功能、应用现状和发展前景，最后提出发展我国ＧＳＯ卫星推进系统的建议。

关键词: 地球同步卫星;推进系统;有效载荷;卫星寿命