To provide a powder carrying device which does not cause plugging by canceling positive pressure in a hopper.

The powder carrying device includes a first hopper 2 and a second hopper 3 storing polished residue produced by polishing barley, a table feeder 4 feeding the polished residue from the first hopper 1 to the second hopper 3, a rotary valve 5 arranged at a discharge port 3e of the second hopper 3, having a rotor 5b with a plurality of blades 5d, and sequentially letting out the polished residue by rotating the plurality of the blades 5d, a pressure feeding device 6 pressure-feeding the polished residue let out of the rotary valve 5 with air, and a connecting pipe 7 connecting the first hopper 2 and the second hopper 3.