Patient: The patient is 61 years old and had knee pain on March 10 this year. She was treated for osteophytes for one month and the pain did not decrease. She was treated for osteophytes at a local hospital for one month and then had an MRI at Tong Ren Hospital in Beijing. Can I see you? Zhang Yadong, Department of Orthopedics, The First Affiliated Hospital of the PLA General Hospital: It is not only meniscus damage, but also cartilage damage on the joint surface. Patient: Thank you, Dr. Zhang! Can my mother’s leg be pain-free after surgery? Zhang Yadong, Department of Orthopedics, The First Affiliated Hospital of PLA General Hospital: Your disease is not only a meniscal injury, but a more comprehensive and accurate diagnosis of osteoarthritis of the knee (joint degeneration), and if treated surgically, there are several surgical methods, each with its own advantages and disadvantages and indications. Arthroscopic minimally invasive surgery can not completely eliminate pain, but may reduce pain, surgery is simple, little damage, fast recovery, does not destroy your own tissue structure; part of the joint surface (unicondylar) replacement surgery basically form pain, surgery is not large, but to put a metal prosthesis in the joint, maybe not use a lifetime (that is, later may have to do another surgery), and patellar chondromalacia obvious patient results may Total knee replacement can completely eliminate pain, but also has a larger metal prosthesis placed in the joint (which may last a lifetime), a larger surgery, a longer incision, and a slower recovery. The choice of surgery will depend on your condition and will need to be discussed with you.