The utility model relates to the field of lifting devices, i.e. a vehicle well cover lifting device which is arranged on trolleys or engineering vehicles, and comprises a shaking handle, a worm and gear mechanism, a roller, a steel sling, a lifting hook and a stander, wherein the shaking handle and a worm are connected into a whole body, and the worm is arranged on the stander; the worm and a worm wheel are meshed to drive, and the worm wheel is connected with the roller which is fixedly connected with one end of the steel sling; the other end of the steel sling is connected with the lifting hook, and the lead angle of the worm is three point five degrees or less than three point five degrees. The utility model uses the driving self-locking of a worm and gear device to facilitate the well cover to stay in the air, and the well cover can be shaken down until the job is completed, thereby facilitating the maintenance and underground operation; and the well cover is lifted with hands, so that the labor can be saved.