Usually the surgical cost of meniscus replacement is still relatively high, because the cost of meniscus prosthesis is around 30,000 or 40,000 RMB, so the surgical cost is very high. For the indication of meniscus replacement surgery, it is necessary to actively perform meniscus replacement surgery for patients who have very serious meniscus damage and cannot be repaired at a later stage, with more severe symptoms and obvious symptoms of interlocking. The meniscus replacement surgery should be performed under general anesthesia or combined lumbar and rigid anesthesia. After the surgery, the patient needs to take rest and protection for a period of time, and the wound needs to be actively changed and disinfected to prevent infection is very important. In addition, anticoagulant medications, such as subcutaneous injection of low molecular heparin calcium, should be actively applied in order to prevent thrombosis.