To suitably clean a filter for filtering exhaust gas or the like emitted from an automobile or the like.

The device has a plurality of approximately parallel flow passages which extend to a first end part and a second end part, and between the both ends, and have a closing part at either one of the ends, and a partition wall part formed between a plurality of passages to clean the filter 120 made of porous ceramics filtering the exhaust gas or the like flowing from the first end part to the second end part. The device has a turn table 20 turning the filter 120 around the central axis line of the filter 120, a cleaning water supply nozzle 60 supplying the cleaning water for a part of the second end part of the filter 120, a high-temperature air supply nozzle 70 supplying high-temperature air for a part of the second end part of the filter 120, and an air suction port member 80 sucking air from a part of the first end part of the filter 120.