Abstract: Took coal mine digging system as the research object, using fuzzy comprehensive evaluation method, combined with actual situation in mine site, each driving team as a unit, a set of simple and practical evaluation index and fuzzy comprehensive evaluation model of the whole digging system were built, evaluation result of this mine digging system was obtained. Corresponding security countermeasures were proposed aim at this result. Provided guarantee to reduce mine accident incidence and ensure coal mine safety production.

Key words: Fuzzy comprehensive evaluation, Digging system, Evaluation indicators