Right ankle joint effusion needs to be given general treatment, physiotherapy, medication and surgery according to the cause and the amount of effusion. A small amount of fluid in the right ankle joint due to ankle contusion can be treated conservatively. It is recommended to rest, reduce activities, apply cold compresses at an early stage, elevate the affected limb, and give physical therapy (ultrashort wave), oral non-steroidal anti-inflammatory painkillers (celecoxib capsule) and anti-swelling medicines (Panlong Qi Tablet), which can promote the absorption of inflammation and make the effusion subside. If the right ankle joint has a large amount of effusion due to synovitis, local disinfection and fluid extraction, oral synovitis granules, if the effect is poor, arthroscopic minimally invasive surgery is used to remove the synovial membrane and reduce the effusion. If the large amount of effusion is caused by infection, first apply antibiotics (cefradine) and anti-swelling drugs (mannitol), local pus pumping, if the effect is poor, surgery can be performed to clean up. Ankle joint effusion is recommended to actively seek medical attention and standardized treatment under the guidance of a physician. Medications need to be used as prescribed by the physician.