The invention relates to a complete vehicle lifting device and method, and belongs to the technical field of vehicles. The complete vehicle lifting device comprises a lifting appliance seat. A lifting rope is connected to the upper part of the lifting appliance seat. Hooks, which are matched with a wheel of a complete vehicle, are connected to the lower part of the lifting appliance seat. Guide grooves are formed in positions, connected with the hooks, of the lifting appliance seat. Sliding chutes are formed in the positions, connected with the lifting appliance seat, of the hooks. The complete vehicle lifting device and method have the advantages of being high in lifting efficiency and having no damage to lifted vehicles.