Abstract: The present disclosure discloses a novel sandblasting gun. The novel sandblasting gun includes a gun body. The gun body includes an air inlet port, an air outlet port and an air channel. One end of the air channel is connected to the air inlet port and the other end of the air channel is connected to the air outlet port. Further, the gun body further includes a first feed port, a second feed port and a control valve. The first feed port and the second feed port are respectively connected to the air outlet port. A spraying material can enter the air outlet port via the first feed port and the second feed port; and the control valve is configured to control opening and closing of the first feed port and the second feed port.