Meniscus tear but walking without pain should belong to the meniscus mild injury, can choose conservative treatment methods, give rest and braking, plaster or brace immobilization and other treatments. Mild meniscus tear is mostly treated conservatively, using plaster or brace to immobilize the knee joint, avoiding weight-bearing and frequent activities of the knee joint, and promoting the recovery of soft tissue injury around the knee joint. If there is obvious pain in the knee joint, sudden jamming when walking, and limited joint movement, it means that the torn part of the meniscus is moving within the joint, or there are free bodies in the joint, and then surgical treatment is needed for meniscus repair or resection. Meniscus tears are commonly caused by acute trauma, such as strenuous physical activity, but can also be seen in older people with degenerative knee disease leading to meniscus tears, and can also be seen in meniscus deformity and other congenital diseases. Patients with meniscus tear should actively cooperate with the doctor for examination and further treatment under the doctor’s guidance after clarifying the cause of the disease.