Meniscus arthroscopic surgery focuses on restoring function. After surgical treatment and post-surgical rehabilitation training, most of the knee functions can be restored, but there is no guarantee of complete recovery. Meniscus arthroscopic surgery is mostly applied to meniscus suture, meniscectomy and meniscoplasty, etc. It mainly focuses on restoring the normal function of the knee joint, and needs to be accompanied by rehabilitation training after the surgery to gradually restore the joint function. After arthroscopic surgery, most of the knee joint functions can be restored to normal after functional training of flexion and extension activities, muscle strength training and other rehabilitation training. However, meniscus arthroscopic surgery does not guarantee a complete restoration, and in a few cases after the surgery, symptoms such as pain and popping in the lower knee joint can occur. The specifics of meniscus surgery treatment, it is recommended to consult a doctor in time, under the guidance of the doctor.