Abstract: The production district teams of coalmine enterprises are the most basic production units, the safety management of district teams should be handled from the source, it is an important part in the overall safety management system project. The district team is the main value unit to constitute the overall mine, a series of key factors and comprehensive management level directly reflects the management level of mine, such as safety situation, quality standardization, cost control and so on. On the basis of coalmine mining team management, the features of team and group are studied. Through continuous exploration and practice, the comprehensive performance assessment method of coalmine group micrometer system is proposed based on the hedge retroactive mechanism, which effectively promotes the comprehensive management level of team and group. The five self-management system is achieved, including mine autonomy, system automation, district team autonomy, team self-care, employee self-discipline.