Vehicle door bending rigidity test method and test tool

The invention discloses a vehicle door bending rigidity test method and a test tool, and solves the technical problems that in the prior art, Z-direction torque cannot be applied to the position of a vehicle door lock through a real object test, and the performance of the real object cannot be known. The test method comprises the following steps of: installing a vehicle door assembly on a test bed with a limiting mechanism according to an installation posture of the vehicle door assembly on a whole vehicle, and installing a force transmission connecting piece at a door lock of the vehicle door assembly; z-direction torque is applied to the force transmission connecting piece, so that the Z-direction torque acts on the vehicle door assembly through the force transmission connecting piece; and recording the maximum displacement of a test point on the vehicle door assembly, wherein the test point is a sheet metal weak point obtained through CAE analysis. The Z-direction torque is applied to the force transmissio