Space is the fourth activity field after land, ocean and aerosphere. It is characterized by vacuum, microgravity, stronger radiation and so on. There are many potential values for researching and exploring. Since the dawn of the manned space program more than 30 years ago, it has played an important role in taking human to space, and exploiting space wealth.

The manned space program is introduced on the concept, content and signification in this article, and especially three manned spacecraft—spaceship, space shuttle and space station is described. The author emphasizes that developing manned space program and utilizing space will make a great contribution in promoting the progress of mankind. In addition, the author also imagines Chinese manned space program.