Automobile fender mounting base support

The utility model discloses an automobile fender mounting base support which comprises a supporting base and a height adjusting mechanism arranged on the supporting base. The height adjusting mechanism comprises a fixing shaft, the fixing shaft is installed in a groove in the top of the supporting base, a rotating block is installed at the top end of the fixing shaft, a fixing groove is formed in the top of the rotating block, and a servo motor is installed at the bottom of the inner wall of the fixing groove. Through mutual cooperation of the fixed shaft, the rotating block, the fixed groove, the servo motor, the threaded rod, the threaded block, the top block, an adjusting shell, a concave block, a movable plate, an electric push rod, a movable shell, a vacuum pump, a connecting pipe, a connector, a fixed pipe, a suction cup and a positioning block, the height, length and angle of the base support can be adjusted when the base support is used; fenders with different heights can be conveniently adsorbed and