Glaze spraying device facilitating feeding

The glaze spraying device comprises a gun body and a replacement part, a handle is arranged at the bottom end of one side of the gun body, a circulation cavity is formed in one side of the gun body, a spray head is arranged on one side of the circulation cavity, a screening part is arranged at the top end of the circulation cavity, a stirring bottom is arranged at the bottom end of the screening part, and the replacement part is arranged at the bottom end of the stirring bottom. And a replacement part is arranged at the top end of the screening part and comprises an inner wall, a thread and a container bottle, the thread is arranged in the inner wall, and the container bottle is arranged at the top end of the thread. According to the glaze spraying device facilitating feeding, threads are installed on the periphery of the bottom end of a container bottle, the lines of the threads are consistent with those of the inner wall, the container bottle is hollow, a user rotates the threads along the inner wall, the c