Automatic cleaning machine for garbage can

The invention discloses an automatic cleaning machine for a garbage can. The automatic cleaning machine comprises a shell, a turning-in device, a flushing device, a rolling brush device, a disinfecting device, a turning-out device and a rotating disc, wherein the shell is provided with a washing bin, an inlet and an outlet are formed in the shell, and the turning-in device is used for turning over the garbage can till a can opening faces downwards and conveying the garbage can into the washing bin through the inlet; the flushing device is used for flushing the garbage can; the rolling brush device is used for brushing the garbage can; the disinfecting device is used for disinfecting the garbage can; the turning-out device is used for turning over the garbage can till the can opening faces upwards and conveying the garbage can out of the washing bin through the outlet; and the rotating disc is rotatably arranged in the washing bin, a fixing frame is arranged on the rotating disc and used for fixing the garbage