The present invention relates to an unmanned mining vehicle lifting control system, method and mining vehicle. The unmanned mining truck lift control system includes a body attitude sensor, a reversing valve controller, a reversing valve, a piston rod, a hydraulic cylinder, a fuel tank, a gear pump and a power take-off; the body attitude sensor is located in the cab and is used for Measure the posture of the body; the reversing valve controller is located on the outside of the longitudinal beam of the frame, one end of which is connected to the body posture sensor, and the other end is connected to the reversing valve, which receives the information of the body posture sensor and is used to control the working position of the reversing valve; The diverter valve is located on the outside of the frame rail and connects or disconnects the gear pump, hydraulic cylinder and oil tank. The present invention can use the body posture to determine whether the driver's cab is pressed up, and by changing the working position of the reversing valve, the car box can slowly fall down, and the tendency of the driver's cab to be pressed up can be suppressed, thereby improving the safety of the unmanned mining truck. Work efficiency and work safety.