Meniscus injury subcutaneous mild edema, this phenomenon may be meniscus injury accompanied by knee synovial swelling and soft tissue injury, should be dealt with meniscus injury, while eliminating the edema, the treatment includes general treatment, puncture and fluid extraction treatment, drug treatment, surgical treatment and so on. 1. General treatment: the degree of meniscus injury and edema should be found out in the hospital in time, and repair treatment of meniscus should be carried out, limiting knee activities and knee braking should be carried out. 2. Puncture and fluid extraction treatment: if the edema is mild or nearby soft tissue edema can be local hot compresses to promote blood circulation and tissue fluid circulation, edema can be improved. For fluid accumulation in the joint cavity, arthrocentesis can be carried out, and the fluid in the joint cavity can be extracted at the same time. 3. Drug treatment: Yunnan Baiyao cream can be used for external application. At the same time, oral anti-inflammatory drugs such as celecoxib can be used. 4. Surgery: The treatment of meniscus injury is mainly based on surgery. It is recommended to carry out arthroscopic minimally invasive surgery for meniscus suture or meniscoplasty. It is recommended to go to the hospital for imaging examination in time to find out the damage, and carry out the treatment under the guidance of the doctor.