The invention discloses an intelligent automatic control system for dosing. The intelligent automatic control system comprises a medicine barrel; the medicine barrel is provided with a medicine discharging tube, a stirring motor, stirring rods, a liquid level sensor and a medicine conveying tube; the medicine discharging tube is fixedly connected with the lower-left side of the medicine barrel; the stirring motor is fixedly connected with the bottom of the medicine barrel; the stirring rods are arranged in and movably connected with the medicine barrel; the liquid level sensor is arranged in and fixedly connected with the inner lower-left side of the medicine barrel; the medicine delivery tube is fixedly connected with the upper-right side of the medicine barrel, and is connected with a medicine storage tank through a medicine pump; the medicine storage tank is provided with a pressure sensor and a controller; and the pressure sensor is arranged in and fixedly connected with the innerlower-right side of the medicine storage tank. According to the invention, through combination of the liquid level sensor, an electromagnetic switch I and the medicine pump, automatic adding of medicine liquid into the medicine barrel can be effectively realized, the labor intensity of operators during adding of the medicine liquid into the medicine barrel is reduced, and convenience in the addingof the medicine liquid is improved.