The invention discloses a classified drug storage cabinet for a hospital pharmacy. The cabinet comprises a drug storage box; a top box is fixedly connected to the top of the drug storage box; a firstfixed block is fixedly connected to the left side of the bottom of the inner wall of the top box; a disc is fixedly connected to the top of the front surface of the first fixed block; a motor is fixedly connected to the top of the first fixed block; a first movable groove is formed in the front surface of the disc; and a movable rod is arranged in the first movable groove. Through cooperative useof the drug storage box, the top box, the first fixed block, the disc, the motor, the first movable groove, the movable rod, a frame, a supporting plate, a second fixed block, a spray head, a drying box, a heating base, a heating rod, a fan and a folding pipe, the problem that the drug quality is affected because an existing drug storage cabinet is easily damped due to excessively high air humidity or long-term exposure in air is solved; the classified drug storage cabinet for the hospital pharmacy has the advantage of automatic drying, and is convenient for a user to use; and the practicability of the drug storage cabinet is improved.