Abstract: In order to solve the problem that rock burst hazard is difficult to accurately evaluate, we propose a new indicator of rock burst hazard evaluation fuzzy hierarchy index, use expert evaluation method to optimize rock burst evaluation index, establish reasonable evaluation index system of rock burst and fuzzy hierarchy comprehensive evaluation model. On the basis of grade indexes, AHP analysis weights and ratio method determining membership degree, we finally use the secondary fuzzy comprehensive evaluation method to calculate model of roadway, working face and the whole mine rock burst hazard. The results of engineering examples show that the methods of evaluation results are accurate, reliable and valuable.