Abstract: This paper presents the concept and purpose on comprehensive appraisal of geological environment of mining area,and sets up index system of geological environment appraisal in Yanjiteng mining area through systematical study,finally appraises the comprehensive quality of geological environment of mining area by using the fuzzy mathematics method.The results show the comprehensive quality of geological environment of Jining and Tengbei mining areas is graded as level Ⅰ,that of Yanzhou and Tengnan mining areas is graded as level Ⅲ and level Ⅳ respectively.