Minimally invasive knee surgery mainly refers to the surgical operation of the knee joint through knee arthroscopy. The cost of such surgical operation includes preoperative examinations such as intraoperative anesthesia, intraoperative arthroscopic application and postoperative symptomatic support, including medication and medication changes and related functional training, and the overall cost is between 15,000 and 20,000 RMB at a tertiary care hospital. In addition, depending on the price level in different regions, different hospital levels and the cost of arthroscopic instruments, the cost may vary, with an overall cost of 15,000-20,000 RMB. The cost will increase if high fees are involved in areas with more advanced instruments.