The following matters should be paid attention to in underground blasting: 1. Before loading, the roof and exposed ore body should be thoroughly inspected. If there is pumice, deal with it in time. Second, the sidewalk near the blasting face should be set with signs and warning signs. If the blasting charge is large, we should be alert according to the safe distance of air shock wave. Three, strictly implement the blasting instructions for drilling, charging, filling, blasting sequence, etc., blasting network should also be checked in advance. Four, in the high temperature or spontaneous combustion of mine blasting, measures should be taken to prevent premature explosion. Five, after blasting, the polluted air in the working face should be discharged in time, and it is not allowed to enter the working face if the polluted air cannot be discharged. Six, every time into the working face of explosives should be planned in advance, there should be no surplus in the working face. If there is any surplus, it should be returned to the explosive magazine and not stored elsewhere.