The road of peaceful development is China’s strategic choice on national development path，concentration reflected the Chinese for their role in the international relations system of accurate positioning. Under the policy of stick to the road of peaceful development，through the scientific judgement and accurate positioning of development target，using methods，functions of China’s military power，China choose the way of the development of armed forces internal restraint type. This choice is determined by five factors，the Chinese correct cognition of the value of international politics，resolutely maintain core national interests，scientificly setting of the national development strategy，Chinese history and the profound influence of the traditional powers and the responsibility of the role identification factors.