Flour mill with screening device

The flour mill comprises a box body, a fixed frame is fixedly connected to the upper end of the box body, a motor is fixedly installed in the center of the top of the fixed frame, a rotating shaft is fixedly connected to the output end of the motor, a first grinding block is fixedly connected to the side wall of the rotating shaft below a feeding port, and a second grinding block is fixedly connected to the side wall of the rotating shaft below the feeding port. A second grinding block used in cooperation with the first grinding block is fixedly connected to the inner wall, right opposite to the first grinding block, of the box body, and a screening circulating mechanism used for screening the flour and regrinding the flour which does not pass through screening at the same time is arranged on the side wall, below the first grinding block, of the box body; according to the flour grinding device, the flour screening efficiency of the screening net is improved through the dispersing plate, then flour which canno