When the uric acid concentration is elevated consider the following reasons: First, the renal tubular uric acid excretion function damage, resulting in reduced renal excretion of uric acid, the most common reason; Second, the body cell metabolism, especially after chemotherapy for patients with hematological tumors, the generation of uric acid abnormally increased; Third, taking drugs that affect the renal tubular excretory function, such as diuretics, anti-tuberculosis drugs pyrazinamide, and so on. Mildly high blood uric acid, no too important clinical significance; if the blood uric acid increase more, but no gout attack, called hyperuricemia, at this time, do not have to take drugs, but should pay attention to find the cause of the disease at the same time dietary control and exercise; if the blood uric acid increase is obvious, and accompanied by hypertension, diabetes mellitus, high blood fat and cardio-cerebral vascular disease, regardless of whether there is a gout attack, should be appropriate to be through your oh acid treatment; as for the With repeated gouty attacks and poor dietary control, uric acid-lowering treatment is necessary and long-term.