The utility model particularly provides a medicine adding device. The medicine adding device comprises a storage bottle, wherein the storage bottle is internally provided with a gasification bar; the outer side above the upper part of the storage bottle is connected with a hopper via a material inlet pipeline; the material inlet pipeline and the hopper are connected via two flange discs I in a flange mode; a butterfly valve is installed between the two flange discs I; a gas intake pipeline is welded to the outer side of one end of the storage bottle; a material outlet in the other end of the storage bottle is connected with a material outlet pipeline via a flange disc III in a flange mode; a gas inlet of the gas intake pipeline is provided with a ball valve; the middle of the gas intake pipeline is provided with a unidirectional valve; one end opening of the gasification bar is fixedly connected with a unidirectional valve by a flange disc II in a flange mode; a reducing short joint is connected between the gasification bar and the flange disc II; the end part of a material outlet pipeline is connected with a union short joint; the end part of the union short joint is provided with a blocking cap. With the device, the medicine conveying distance is shortened, the loss of medicines in the conveying process is reduced, the medicine residual amount is reduced, the metering accuracy of medicine additives is ensured, and the yield of the mixing operation of a dry blending station is improved.