The utility model discloses a mining negative pressure injection type hydrogen sulfide processing apparatus, including purification portion, drawing the portion of penetrating, the portion of calmingthe anger, alkali lye supply portion and waste liquid collection portion, draw the portion's of penetrating import and purification portion export intercommunication, air intake department installs gas sensor, the portion of calming the anger is including high compression pump and air pipe way, and air pipe says that one end is connected with high -pressure air pump outlet, the air pipe way otherend and draw and penetrate an import department and feed through, alkali lye supply portion includes lye tank, lye pump and alkali liquor pipeline, alkali liquor pipeline one end and lye pump exit linkage, and the alkali liquor pipeline other end stretches into in the purification portion, waste liquid collection portion includes waste liquid collecting tank and waste liquid pipeline, waste liquidpipeline one end and waste liquid collecting tank access connection, the waste liquid pipeline other end and purification portion bottom waste liquid exit linkage. The utility model discloses can beeffectual the treatment effeciency of improvement hydrogen sulfide, can effectively improve in the pit especially excavation working face's operation environment, have the function of removing dust and diluting harmful gas simultaneously concurrently.