The invention discloses an automatic medicine dispensing device for medical transfusion. The automatic medicine dispensing device comprises a cabinet body, wherein a worktable and a bracket are arranged on the upper surface of the cabinet body; the bracket is located on one side of the worktable; an electric liquid pump is mounted on an L surface of the bracket; one end of the electric liquid pump is connected with a liquid pumping syringe needle; the liquid pumping syringe needle is located above the worktable; the cabinet body is internally provided with a stirring chamber and a liquid storage chamber; one side of the stirring chamber is fixedly connected with one side of the inner wall of the cabinet body; the top of the liquid storage chamber is fixedly connected with the top of the inner wall of the cabinet body; a transfusion pump is additionally arranged at the bottom of the liquid storage chamber; a liquid guide pipe is arranged at one end of the transfusion pump; the bracket is internally additionally provided with a drainage pipe; the two ends of the drainage pipe are connected with the electric liquid pump and the stirring chamber, respectively; and a controller arranged on the side face of the cabinet body is electrically connected with the electric liquid pump, a solenoid valve and a transfusion pump. The automatic medicine dispensing device for medical transfusion is novel in structure, can be used for releasing the labor force of medical workers greatly and alleviating the labor intensity, can save time and labor, is rapid and convenient in operation and has a good mixing effect.