The invention provides an automobile anti-soaking water film cloth bag. The automobile anti-soaking water film cloth bag comprises a bag body, a side cover and a waterproof zipper, wherein the bag body is provided with an opening which an automobile can conveniently enter the bag body, the side cover is matched with the opening of the bag body, the waterproof zipper is installed between the opening of the bag body and the opening end of the side cover and used for controlling the side cover to be opened and closing the opening of the bag body, and both the bag body and the side cover are madeof flexible waterproof materials. According to the automobile anti-soaking water film cloth bag, the bag body, the side cover and the waterproof zipper can prevent water from being permeating, when flood or accumulated water is encountered, the automobile is arranged in the film cloth bag, the film cloth bag can prevent the water from permeating into the interior of the film cloth bag, the automobile can be prevented from being soaked in the water, property loss can be reduced, the bag body and the side cover can be unfolded and folded conveniently, the parking position is not occupied when the bag body and the side cover are not in use, and the bag body can be unfolded in different positions to prevent the automobile from being soaked in the water.