Abstract: In order to obtain the occurrence law of coal mine gas accidents, a cross-coupling statistical analysis was conducted for the gas accidents happened during 2005 to 2014 from the angles of accident levels, accident types, time of accidents and location of accidents. The statistical analysis results showed that the most times were larger gas accidents; coal mine gas explosion is the main type of disaster with the greatest danger, high mortality, and likely to cause secondary disasters; the peak of the accidents is in April，May，August and October every year and at daily 9:00 to 11:59, 17:00 to 18:59 period; Guizhou, Hunan，Sichuan，Shanxi，Yunnan are the key provinces to prevent and control gas accidents.