A cleaner including a cleaning module capable of easily removing foreign matters such as hair entangled in a brush unit is provided. The cleaner includes a main body including a suction port, a brush unit rotatably provided at the suction port, and a cleaning module detachably received in the main body and configured to remove a foreign matter entangled in the brush unit. The cleaning module includes a housing detachably received in the main body, a cartridge provided in the housing to be movable in a vertical direction, and a cutting unit provided at a lower portion of the cartridge and configured to cut the foreign matter entangled in the brush unit.