对人类已经开展的深空探测活动进行了回顾，简介了近期已开展和未来5年内将要开展的深空探测任务，以及未来主要航天国家的深空探测规划，提出了未来我国开展深空探测应掌握和突破的关键技术；介绍了我国深空探测的现状，对绕月探测工程和嫦娥1号进行了简介，重点介绍了探月工程二、三期的思路和二期工程的立项论证情况和初步总体方案，同时简要叙述了正在论证中的中俄联合火星探测、夸父计划、硬X射线天文望远镜和空间太阳望远镜等项目的概况；给出了对我国未来深空探测发展方向的思考和展望。

The definition, goal and impacts of deep space exploration are summarized. After a retrospect to past deep space exploration activities of human being to date, both recent deep space missions and future missions in 5 years are listed. There are also brief introductions about the future strategic plans of NASA, ESA, RAKA, JAXA and ISRO. Then the authors analyzed some important features of global deep space exploration scheme. Key technologies of deep space exploration are also determined. The status of China´s deep space exploration plan is introduced including CE-1 lunar orbiter, the subsequent China Lunar Exploration Program, especially proposals for the second stage of China Lunar Exploration Program, China-Russia Mars Exploration, Kuafu Mission, Hard X-Ray Modulated Telescope, Space Solar Telescope. At the end, some suggestions for China ´ s future deep space exploration are made.