Knee surgery includes a number of costs, of which the cost of artificial knee joints varies depending on the place of production, different purchasers, etc. The average price of two knee joints ranges from about 50,000 to 60,000 dollars. Knee replacement surgery is a common orthopedic surgery, mainly for people who have knee injuries due to various reasons, and who have not been treated by internal medicine. The absolute indications for knee replacement surgery include: patients suffering from osteoarthritis of the knee and over 55 years of age; patients suffering from rheumatoid arthritis which involves the knee and is ineffective after medical treatment; patients suffering from traumatic arthritis; and patients suffering from severe pain and/or dysfunction of the knee due to ischemic necrosis of the bone or tumors and other diseases. The cost of knee surgery, including pre-operative and post-operative examinations and medication, is about 10,000 RMB; the cost of surgery and anesthesia is about 10,000 RMB; and the cost of artificial knee joints, including prostheses, bone cements, and other necessary consumables, ranges from 30,000 to 100,000 RMB, depending on the manufacturer and distributor. Please go to a specialized hospital for consultation on specific surgical matters and costs.