Chinese Government and armed forces have actively conducted military exchanges with foreign countries, at the same time, opened its policy of national defense to the outside world in the form of white paper of national defense.

　　In 1998, the first Chinese white paper of national defense was given birth. Afterwards, China proclaimed its policy of national defense and army building once in every two years to the world in the form of white paper of national defense. In particular, the white paper of national defense in 2006 not only announced China's nuclear strategy for the first time, but also disclosed battle readiness ideology of various services and arms, numbers of group armies , total number of military colleges and specified number of Armed Police Force, thus presenting China's national defense and army building before the eyes of the world in a more open and transparent way.