Second degree meniscus injury and effusion, may be due to the meniscus injury has not been effectively recovered, the patient is still continuing activities or sports on the meniscus damage, according to the cause of the brake rest, drug treatment, injection therapy and so on. 1. Braking and resting: need to brake and rest, stop activities, repeated stimulation will lead to meniscus injury aggravation, so need to rest properly, promote the absorption of local fluid. 2. Medication: Oral aminosugar can be taken, aminosugar itself is a component of articular cartilage, and appropriate supplementation will have a certain effect on the repair of joint injuries. 3. Injection therapy: intra-articular injection of sodium vitrate. Sodium vitrate itself is a substance present in the joint cavity, through exogenous supplementation, can increase the elasticity of the cartilage in the joint cavity to reduce the friction in the joint cavity, lubricate the joints, and there is also a certain anti-inflammatory effect, to help reduce the symptoms of patients. Meniscus injury patients who feel uncomfortable, should promptly consult the doctor for appropriate treatment.