Edema caused by synovitis can be relieved by general treatment and medication. 1. General treatment: mild edema can be relieved by resting, avoiding exertion, avoiding catching cold, and can be relieved by physical therapy with hot compresses, etc. When edema is so serious that it affects the life of the patient, it is necessary to extract the fluid from the joint cavity and carry out the treatment of compression bandage. 2. Medication: If the edema is caused by infection, specific antibiotics should be selected according to the type of infection. If the joint pain is too serious, anti-inflammatory and analgesic drugs such as ibuprofen and diclofenac sodium can be used to relieve the symptoms. It is recommended that patients with synovial edema be treated as soon as possible under the guidance of a doctor.