Hyperuric acid metabolism is caused by hyperuricemia. Hyperuricemia, also known as gout, is a group of purine metabolism disorders caused by the disease, which is clinically characterized by hyperuricemia (hyperuricemia) and the resulting gouty acute arthritis recurrent attacks, gout stone deposition, gout stone chronic arthritis and joint deformities, and often involves the kidneys to cause chronic interstitial nephritis and uric acid renal stone formation. The disease can be divided into two categories: primary and secondary, the etiology of the primary, except for a few due to enzyme defects, most of them have not been elucidated, often accompanied by hyperlipidemia, obesity, diabetes mellitus, hypertension, atherosclerosis and coronary artery disease, etc., which is a hereditary disease. Secondary cases can be caused by kidney disease, blood disease and drugs. Patients with hyperuricemia have excessive synthesis or impaired excretion of uric acid, and often suffer from gouty arthritis or gouty nodules, uric acid urinary stones, chronic interstitial nephritis in urine and renal function tests, and increased uric acid in the blood.