Dual-purpose convenient suction device

The utility model discloses a dual-purpose handy suction device which comprises a main machine, a dust collecting barrel and a fan assembly, the head end of the main machine is arranged to be a butt joint end, and the dust collecting barrel is assembled with the butt joint end of the main machine in a butt joint mode through a detachable structure to form the handy suction device. An air inlet, an air outlet and a first terminal are arranged at the butt joint end of the main machine, a suction inlet is formed in the front end of the dust collection barrel, and air outlet holes are formed in the side wall of the dust collection barrel; the dust collection barrel is electrically connected with the host through the first terminal after being butted with the host; a second terminal is arranged on the side face of the main machine, after the dust collecting barrel is detached, the main machine is in butt joint with a butt joint groove of the scrubber through the butt joint end of the main machine, and the main mac