As the active defense, for to prevent leak and stealing state secrets, ensure the security of state secrets, in this paper, the theory of risk in the field of military industrial secrecy management is studied. From risk identification, assessment, analysis, response and other aspects, the whole life cycle of security risk management and control processes are shown in this paper. The paper lists the national security and interests, the source of the risk of secrete leakage and the weakness of security management and other factors that should be considered in the identification of the security risks, the operable analysis and judgment criteria and evaluation formula are introduced. The application results show that this research has a certain universality, and has a great reference value for the development of military industrial security management ideas.