Most ankle joint effusions are caused by aseptic inflammation due to trauma, chronic strain and other factors, and their treatment needs to be targeted according to the cause. Usually, the treatment includes physical therapy, medication, surgery and so on. 1. Physical therapy: you can choose hot compresses, ultra-short wave, magnetic therapy and other physical therapy modalities, which can promote local blood circulation, improve the inflammatory response, and promote the absorption of ankle joint effusion. 2. Drug therapy: non-steroidal drugs such as diclofenac sodium, ibuprofen, etc. can be chosen to play an analgesic and anti-inflammatory role, and nutritive cartilage drugs such as dextrose, etc. If gouty or rheumatoid diseases cause ankle joint effusion, uric acid or anti-rheumatic therapy is also needed. 3. Surgical treatment: If there is a large amount of fluid, you can choose joint puncture to extract the fluid, and in serious cases, surgical treatment is also needed. Patients with ankle joint effusion should actively cooperate with the doctor’s examination to clarify the cause of the targeted treatment, the treatment period should be appropriate bed, keep a light diet, avoid strenuous exercise.