The invention discloses a working surface outburst
risk evaluation index system analysis method, which comprises the following steps of: acquiring gas
occurrence data of a mine stope face; comprehensively analyzing the data to form
risk evaluation indexes for judging working surface outburst risk, and storing the
risk evaluation indexes in a criterion index
library;
processing the risk evaluation indexes and preset evaluation index critical values to determine the
risk level of a working surface region range; and pre-warning according to the
risk level. According to the method, working surface outburst risk dynamic evaluation indexes are classified into a gas index, a geology index, a
stress index and an outburst prevention measure index on the basis of researching the gas occurrence rule of the mine stope face, so that the change rule of each evaluation index is grasped in time and analyzed intelligently, a working surface outburst
evaluation result is formed comprehensively, outburst risk pre-warning of different levels is generated automatically, and real-time change update of each evaluation index can be predicted along with outburst; and the
blindness of outburst prevention work is reduced, outburst prevention
engineering cost is saved, and safe production of a mine is ensured.