The invention discloses a final inspection test device for a hydraulic lifting system of a tractor. The final inspection test device is used in the whole tractor inspection link before off-line factory leaving of tractor production enterprises and constituted by a standard loading rod, a hydraulic mounting mechanism, a video guiding system, a hydraulic pump station and a control system. The standard loading rod is mounted on a tractor hydraulic lifting lower swing arm. The video guiding system guides a driver to accurately control the tractor backing hanging position through a display screen according to the relative position of a middle mounting area of the standard loading rod and a mounting hook of the hydraulic mounting mechanism, wherein the display screen is hung in the front of thetractor. The mounting hook of the hydraulic mounting mechanism automatically adjusts the inclination and height according to video analysis of a video guiding unit, and thus when the tractor is backed, the standard loading rod is hung on the hydraulic mounting mechanism. Through the standard loading rod, pin shaft hanging which can only be manually completed in a test area originally is changed into automatic hanging in the test area, the operation difficulty is greatly reduced, the efficiency is improved, and personal potential safety hazards in the test area are avoided.