With the development of sports medicine, the popularity of MRI and the promotion of arthroscopic technology, more and more hospitals and doctors are now carrying out meniscus surgery, but some patients’ post-operative recovery is not ideal, according to my 7 years of experience in sports medicine, in order to serve the public, I would like to say a few points for your reference: 1, the meniscus must be clearly diagnosed before surgery, MRI is necessary. 2, the affected knee must have the appropriate signs and symptoms: patients with meniscal tears have fixed pain points, only a certain movement will be painful, rest does not hurt, no pain at night. As the saying goes, “three points of treatment and seven points of maintenance”, the post-operative period is only the first step in rehabilitation, and it is important to actively rehabilitate the knee after surgery in order to achieve the desired results. Although arthroscopic surgery is a minor surgery, it can also cause adhesions in the knee joint, making the patient’s post-operative results worse. 4. Meniscus surgery should be done as early as possible, the longer it is delayed, the greater the impact on the joint.