A door type framework vehicle end wall fixing device for rail vehicle end relation test is characterized in that the guide rails at two sides of a support framework assembly are respectively connected with two jack supporting seats up and down, and a framework supporting leg assembly is connected under the support framework assembly. Movement at transverse, longitudinal and vertical directions is available, when the vehicle end wall is fixed, the position of the fixing device can be adjusted, connection is completed according to different vehicle end wall structures and dimensions, dismounting and combination are flexible, storage and carrying are easy, the integral rigidity after combination is high, and the rigidity test requirement is basically satisfied.