A quick detachable basketball machine comprising a front cabinet unit and a rear cabinet unit is disclosed. The front cabinet unit has an electronic coin slot box, two lower side panels, two upper side panels detachably connected to the lower side panels at the top, an oblique baffle obliquely detachably coupled between the upper side panels, an outer guide board detachably supported between the lower side panels, and two stop blocks mounted on the outer guide board. The rear cabinet unit has a bottom box, a vertical back rack hinged to the rear side of the top wall of the bottom box and holding a rim hoop ring, two side panels respectively hinged to two opposite lateral sides of the top wall of the bottom box and connectable to the bottom side of the vertical back rack, and a top plate bridging the side panels.