Abstract: This paper analyzes the current situation of poor risk management effect in coal mine, and shows that the uncomprehensive hazard identification, unaccurate risk assessment, single control measure and other reasons are the main risk sources in risk technology management. According to the principle of risk management, the paper further studies the technology and standard for hazard identification and risk assessment, and analyzes the characteristics of different hazard sources in coal mine enviroment, equipment and work task and so on; the paper proposes the method of corresponding hazard source identification and risk assessment, and explains the priority principle by using multiple risk control measures.