Uric acid is divided into blood uric acid, urinary uric acid, urinary uric acid normal range is usually in the 1.5-4.4mmol/24h, blood uric acid normal range of male should be 150-416μmol / L, female should be 89-357μmol / L, so the patient’s uric acid 515 usually refers to the blood uric acid, at this time, whether it is a male or a female are beyond the standard value, but whether it is serious needs to be based on the patient’s presence of other complications. Complications to judge, if the patient only elevated blood uric acid, usually not serious, if accompanied by other diseases is more serious. 1, only elevated blood uric acid: in most cases is not serious, if the patient is not accompanied by diabetes mellitus, hypertension, gout, coronary artery disease, chronic kidney disease, and other complications, the blood uric acid 515 μmol / L for a mildly elevated, belonging to the low-risk; 2, accompanied by other diseases: at this time for the medium risk level, belonging to the medium severity, if the patient If the patient is accompanied by the above diseases, high blood uric acid will aggravate the condition of the original disease. In addition, when blood uric acid is high, there will be blood urate crystals precipitation, if deposited in the joints will lead to joint deformation and gouty arthritis, if deposited in the kidneys will lead to gouty nephropathy, and even induce uremia. If deposited in the pancreas, it will affect the secretion of insulin by pancreatic B-cells, which usually induces or aggravates diabetes mellitus. If the patient does not have other symptoms, it can be temporarily controlled by general treatment, such as lifestyle changes and limiting a high-purine diet, such as animal offal and seafood. If accompanied by other diseases, need to use benzbromarone, allopurinol and other drugs to control the blood uric acid level, the use of drugs need to be under the guidance of a doctor to avoid side effects.