PURPOSE: To make barrel work and washing in the same process.

CONSTITUTION: A washing and barrel work device comprises a barrel cage 1 in which works and medium are contained, a preliminary washing tank 3 in which the barrel cage 1 is stored and which is filled with washing liquid for washing the works, a barrel cage drive device to drive the barrel cage 1 after washing, a barrel work and washing tank 7 in which the barrel cage 1 and barrel cage drive device are stored and which is filled with washing liquid, an ultrasonic generating device 29 installed in the barrel work and washing tank 7 for generating ultrasonic wave, a precipitation tank 30 for cleaning washing liquid, and a filter 31.