The invention belongs to the field of ore discharging mechanical equipment, and relates to a well mouth ore discharging chute. The well mouth ore discharging chute comprises an ore discharging chute body, wherein the ore discharging chute body comprises a bottom plate and chute ledges which are vertically upward on the two sides of the bottom plate, feeding holes are formed in the chute ledges onthe two sides of the ore discharging chute body, moreover, a protection plate is arranged above the chute ledges on the two sides, the height of the protection plate is gradually reduced from top to bottom, and a wear-resistant plate is arranged at the outlet portion of the bottom plate of the ore discharging chute body. According to the well mouth ore discharging chute, the structural design is reasonable, on one hand, the problem of blockage of the ore discharging chute can be solved conveniently, construction personnel do not need to work high above the ground, so that the personal safety of the construction personnel is guaranteed, moreover, the problem that slag collapse and falls off is solved, on the other hand, the inclination angle of the bottom plate of the ore discharging chuteis reduced, so that the ore discharging distance is lengthened, then the time of the construction personnel is saved, and the bottom plate is more wear-resistant.