If you have pain when doing rehabilitation training after knee meniscus suture, you should stop the training immediately, you need to find out the cause of the disease under the doctor’s diagnosis and treatment to alleviate the pain, including general treatment, medication and exercise treatment. 1. General treatment: pay attention to rest, avoid strenuous exercise, wear knee pads or elastic straps to protect the knee joints; you can also use infrared rays, phototherapy, ultrasonic waves, ultrasound or pulsed electromagnetic fields and other means of physical therapy to increase blood circulation, improve metabolism, reduce pain, reduce scarring and adhesions. 2. Medication: Pain medication can be chosen: non-steroidal anti-inflammatory drugs, such as ibuprofen, acetaminophen, diclofenac sodium, etc., can relieve pain symptoms. 3. Exercise therapy: you can use knee joint arthrocentesis as well as joint mobility training to reduce the soft tissue adhesion around the knee joint and relieve the pain. The blood supply of meniscus is very special, only the edge of meniscus near the joint capsule is better blood supply, so the healing of meniscus tear suture will appear painful symptoms, which is also a normal phenomenon. After surgery, patients must strengthen the protection of the knee joint and recover with appropriate activities. It is recommended that patients should seek immediate medical attention for treatment, and should also regularly review their recovery after surgery to avoid the after-effects of surgery.