The invention discloses a vehicle suspension system and a vehicle provided with the vehicle suspension system. The suspension system comprises a damper, a spring assembly, a locking device, a ball screw and a driving motor, wherein the spring assembly comprises an upper tray, a lower tray and a damping spring; the locking device comprises a driver and a locking assembly, the locking assembly cooperates with a damper cylinder and the lower tray, and the driver cooperates with the locking assembly to position the lower tray or release positioning for the lower tray through the locking assembly;the ball screw comprises a screw and a nut, the screw is arranged on the damper cylinder, the nut moves vertically relative to the screw, and the nut cooperates with the lower tray to drive the lowertray to move vertically; and the driving motor is arranged on the damper cylinder and cooperates with the ball screw through a transmission mechanism to drive the nut to move relative to the screw. The vehicle suspension system according to the embodiment of the invention is simple and compact in structure, small in occupied space and convenient to maintain, and accessories do not need to be replaced regularly, so that the use cost is reduced.