An automatic cat litter box cleansing structure (100) includes a base (10) on where the cat litter box (11) is disposed； a horizontal movement module (20) movably disposed on the base (10) and transversely moving along the area in which the cat litter box (11) is disposed； a vertical movement module (30) movably disposed on the horizontal movement module (20) and longitudinally move with respect to the horizontal movement module (20). With the control module (40) controlling the horizontal movement module (20) and the vertical movement module (30) to move, the shoveling member (31) automatically shovels the cat feces away from the cat litter box (11), achieving an automatic cleansing function.
