With meniscus injuries, knee exercises should not be done in the acute stage. Blind exercise may aggravate the meniscus injury, and even affect the anterior and posterior cruciate ligaments, as well as other intra-articular structures. Resulting in adverse consequences. Meniscus injury, acute phase often have more obvious pain and swelling, joint strangulation. At this time should be based on the severity of the injury for clinical treatment, such as mild injury can be braked to rest, to be relieved after the symptoms of resumption of activities, if the injury is serious, the need for timely surgery. In the process of meniscus formation injury, often combined with other tissue damage, such as anterior and posterior cruciate ligaments, cartilage, synovial membrane damage. If you blindly exercise at this time, it is easy to cause lesion aggravation and new lesions, and more serious pain, swelling and activity limitation. Once the meniscus acute injury. To standardize the treatment under the guidance of the doctor, to avoid causing secondary injury.