Uric acid 495 μmol / L alone is not particularly serious, but long-term high blood uric acid, or even cause gout, affect the function of the kidneys or high uric acid combined with cardiovascular and cerebrovascular diseases, the condition is serious. High uric acid is due to purine can not be metabolized normally, resulting in increased uric acid content in the blood, generally no conscious symptoms, but when caused by gout attacks, there will be joint pain, swelling and other manifestations of excessive intake of purine, uric acid excretion disorders, etc. will lead to high uric acid. High uric acid, need to control diet, avoid high purine food intake, including animal offal, seafood, etc., drink more water, promote uric acid discharge, avoid drinking alcohol, eat more apples, oranges, oranges and other fruits, vitamin supplements, to promote the metabolism, moderate exercise, to enhance the physical condition; or the application of phenylbromarone, febuxostat and other uric acid lowering drugs. Patients with high uric acid are advised to go to the hospital in time for treatment under the guidance of the doctor.