Launching Manned Space Station Project and Promoting the Development of China's Manned Space Engineering

In order to be compatible with the trend of world manned spaceflight development and steadily push forward the three-step strategy of development for China's manned space engineering project,the relevant issues about the scientific development for China's manned space station project are studied,with its significance and implications clarified. The characteristics of the concept for China's manned space station project are analyzed and the principles for the construction of the project are presented.