Abstract: mine safety appraising is the main ways for realization of the safe production. What the appraising effectiveness stand or fall main lies on the setting of basic data, layout of data criterion, determination of data power. The appraising system was made according to the safe production stipulation and inspecting criterion of the state, industry and corporation, the basic data and inspecting stand database of system were build-up by analyzing themine’s real property water, geology and gas, adopting advancing and powerful software and database. The system’s good supervising has been demonstrated after more than one year practice.