High uric acid and swollen feet may be caused by gouty arthritis, rheumatoid arthritis and osteoarthritis, etc., which should be treated with medication and surgery according to different causes. 1. Gouty arthritis: gouty arthritis occurs with high uric acid level in the patient’s body there is a close relationship between the onset of joint pain, joints, joints, swelling and other symptoms, gout attack patients can take colchicine and etoricoxib and other non-steroidal anti-inflammatory drugs treatment, remission need to be actively taken in the period of allopurinol and other drugs to reduce uric acid treatment. 2. Rheumatoid arthritis: rheumatoid arthritis can involve the peripheral joints including the ankle joint and lead to joint swelling, joint pain and other symptoms, rheumatoid arthritis treatment with methotrexate, adalimumab and other anti-rheumatic drugs and etoricoxib and other non-steroidal anti-inflammatory drugs as the main treatment, and if necessary, the feasibility of synovectomy and other surgical treatment. 3. Osteoarthritis: Osteoarthritis can lead to joint pain, stiffness and swelling and other symptoms, the treatment includes non-steroidal anti-inflammatory drugs such as etoricoxib, and bisacodyl, glucosamine hydrochloride and other cartilage protection agents and other drug therapy. Patients with high uric acid may also have other causes of swollen feet, and it is recommended that patients go to the rheumatology and immunology departments of regular hospitals to further clarify the causes and follow the doctor’s instructions for treatment, and do not take medication on their own.