The invention relates to an automatic-control pump, and belongs to the technical field of water pumps. According to the automatic-control pump, a range finder and a control box are arranged, data measured by the range finder are transmitted to an analog quantity module in the control box, and automatic starting or stopping of the automatic-control pump is achieved through a control unit accordingto the water level. The automatic-control pump comprises a motor and a pump body, wherein the motor is mounted on the pump body. The automatic-control pump is characterized in that one side of the pump box is fixedly connected with the control box, and the range finder is arranged on the other side of the pump box.