Abstract：According to the distribution characteristics, main tectonic faults and folds and distribution characteristics of some coal mine, this paper analyzes its geological structure development. With the geological structure of this mine, the history of regional tectonic evolution, the tectonic stress field characteristics and formation mechanism, this paper discusses the cycle time. The results showed that the tectonic is the general trend of North-South East dipping monocline strata, twisted roughly along the strike direction from north to South; Suntuan mine construction mainly experienced three tectonic movement period, Indosinian movement, Yanshan movement, and the period of Himalaya movement, the Yanshan movement plays a connecting role.