The embodiment of the invention discloses a bearing matching device of a vehicle door module and a bearing matching system of a whole vehicle principal model check tool, relates to the technical field of vehicle part detection, and aims to solve the problem of operation inconveniences when a hoisting device is used for matching inspection for vehicle door peripheral parts in the prior art. The bearing matching device of the vehicle door module includes a bearing support, a base plate and caster wheels, wherein the caster wheels are fixed on the bottom surface of the base plate and used for supporting the base plate; guiding rails are arranged on the top surface of the base plate; guiding rail sliding blocks are arranged on the bottom surface of the bearing support and matched with the guiding rails, so as to enable the bearing support to move between a starting position and a transferring position along the guiding rails; and the bearing support is used for fixing the vehicle door module. The bearing matching system of the whole vehicle principal model check tool includes the bearing matching device of the vehicle door module.