Rehabilitation training two months after hip arthroplasty mainly includes hip joint stability enhancement training, balance and gait training. The purpose is to further strengthen the muscle strength around the hip joint and joint stability. 1. Hip stability training: common training mainly includes hip flexion and extension resistance exercise training, hip extension resistance exercise training, flexion and extension knee joint exercise training, etc. It can effectively strengthen the muscle strength around the hip joint and joint stability. It can effectively strengthen the muscle strength and joint stability around the hip joint, and further promote the functional recovery of patients. 2. Balance and gait training: It is recommended that patients carry out training under the guidance of the rehabilitation therapist, such as clam opening and closing movement, heel movement, upright micro-squatting and other gait training, as well as deep squatting against the wall, single-leg standing training, multi-directional unstable plane balance training, etc. It can effectively help patients enhance their balance ability and eliminate the problem of unstable plane balance. It effectively helps patients to enhance their balance ability, eliminate compensatory gait and rebuild normal walking ability. It is recommended that patients train under the guidance of a professional doctor, do not blindly exercise on your own to avoid adverse consequences.