The invention discloses a steering mechanism for a lower limb exoskeleton robot. By means of the ten degrees of freedom, the movement performance of the robot can be improved, complete bionic movementis achieved, and the comfortability is good; not only a leg structure but also a waist support structure are arranged, the reliability and flexibility of the bionic movement are guaranteed; a protector connecting component is arranged to stretch out and draw back and can adjust angles, damping of angle adjustment and telescopic adjustment can be controlled, the angle of a wearing protector can besubjected to fine adjustment so as to adapt to different people and different rehabilitation training requirements conveniently, damping can be adjusted according to the needs of users, and the stability is improved; brain wave control and button control can be compatible, a patient can wear a brain wave collector on the head to control the mechanism, the mechanism is controlled by means of equipped control walking sticks, each control walking stick can be provided with two buttons, and different buttons and a combination thereof can achieve different functions. The steering mechanism has sports functions of walking, climbing stairs, sitting, steering and squatting.