As the invention of the nuclear weapon and the development of unipolarity and bipolarity, the deterrence theory has been valued more and more by China and increasingly becoming the mainstream of China's tactical thinking and national defense policy. The central problem that China has always been trying to solve is the relation between deterrence and real war. The two tactics have both been adopted and applied in turn. The bearing and effect of deterrence as well as the deployment and application of deterrence is not unlimited but restricted by objective conditions. This study is to verify the operability of deterrence tactics to reach the political objectives through the combination of theory and practice.