Hip replacement is the abbreviation of artificial hip replacement, which is a repair operation of the own acetabulum and femoral head. The main purpose of the operation is to eliminate pain, correct joint deformity, rebuild joint stability, and restore and improve joint function. It is mainly used for the treatment of age-related femoral neck fractures, congenital acetabular dysplasia, rheumatoid arthritis, femoral head necrosis, traumatic hip arthritis and other diseases that cause dysfunction in such patients, and hip replacement surgery can be done.