Patients with hip and knee disorders often ask: Doctor, do I have to have artificial joint replacement surgery? Today I would like to give a brief introduction to this topic to our patients and friends. Artificial joint replacement surgery is currently an effective means of treating serious joint disorders. Hip and knee joints are the most important weight-bearing joints in the human body, so the incidence of hip and knee joint disorders is also very high, which seriously affects the ability of the human body to walk, and the disability rate is high. In order to solve this problem, medical doctors first applied artificial joint replacement technology in these two major joints, after unremitting efforts, artificial hip and knee materials and surgical techniques have improved greatly, and achieved excellent results, now artificial hip and knee surgery has been accepted by the majority of doctors and patients, artificial hip and knee replacement surgery has also become the most mature technology, the longest follow-up time of the joint prosthesis, and one of the most definitive surgery, every year, the number of artificial hip and knee surgery has been increased by more than 20%, the number of patients has been increasing. Every year, thousands of patients get rid of the pain and get a new life. What kind of people are suitable for artificial hip and knee replacement surgery? Mr. Lu Zhidong, Department of Orthopedics, General Hospital of Ningxia Medical University.