Underground safe production was very important to safety of entire mine. In order to evaluate mechanical and electrical security condition objectively and reasonably, method of fuzzy comprehensive evaluation was adopted. Firstly, a fuzzy comprehensive evaluation system was set up. Then mechanical and electrical production status was rated by 8 experts so that ensured objective and reasonable evaluation results, multi level fuzzy comprehensive evaluation was used in score results. The evaluation results showed that quality of personnel, management level and mechanical status were good in two level evaluation indexes, meanwhile, production environment belonged to good grades; overall assessment results of electrical safety was 82.2 points which was good and it was an objective response to current status of mine electrical production.