Muscle swelling above the knee may be muscle strain, suprapatellar bursitis, fracture or ligament strain injury. Depending on the cause, hot compresses, medications to reduce blood circulation and swelling, and physical therapy can be used. If there is no trauma, the swelling above the knee may be muscle strain or suprapatellar bursitis. Need to reduce the knee flexion and extension activities, avoid exertion, local can use a towel hot compress, once half an hour, twice a day, can reduce swelling. You can apply blood-activating and swelling-reducing drugs, such as synovitis granules or Panax ginseng tablets, and swelling-reducing drugs, such as Mai Zhi Ling dispersible tablets. The medication should be used under the guidance of a doctor. If there is any discomfort during the medication, stop the medication. Physical therapy can be used to improve local circulation and eliminate swelling. If the swelling is caused by trauma, ice packs should be applied within 72 hours. If the swelling worsens, you should go to the hospital for further radiographs to check for fractures or ligament damage. Muscle swelling above the knee, if accompanied by pain, limited joint movement need to go to the hospital for further examination.