The first thing you should do is to identify the cause of the ankle sprain and then choose medication, surgery and other methods of treatment. The causes of ankle sprains are serious injuries, fracture healing deformities, and other diseases, etc. It is recommended to identify the causes of the disease before treatment, and target treatment. 1. serious injury: ankle sprain caused by the joint capsule or other soft tissue pathologic injury, it is easy to ankle recurrent swelling, can be red light therapy, ultrasound therapy and other physical therapy to relieve pain, if necessary, can be surgical removal of the lesion of soft tissue. 2. Fracture healing deformity: If the patient has sprained ankle and fracture, and the fracture healing deformity is caused by the lack of timely treatment, it is also easy to have recurrent swelling, and it can be restored to the correct position of the bone through surgical treatment. 3. other diseases: ankle sprain 3 years, but also pay attention to observe whether the patient has other diseases, if the patient accompanied by gouty arthritis, the body’s uric acid level control is not good is also prone to cause repeated ankle swelling, the patient can follow the doctor’s instructions to take colchicine, febuxostat, the main allopurinol and other medicines to control the body’s uric acid. Cause ankle sprain 3 years of recurrent swelling causes more, the symptoms continue to not relieve the need for timely medical examination and targeted treatment, the patient usually pay attention to ankle joint protection, avoid excessive weight bearing.