In the past, hyperuricemia means that blood uric acid is greater than 350μmol/L in women before menopause and greater than 420μmol/L in men and postmenopausal women as hyperuricemia. As long as the serum uric acid is greater than 420umoI/L in both men and women, it is called hyperuricemia, and when it needs uric acid-lowering treatment can be determined according to the specific situation: 1. 3.When there is gout stone formation, stubborn recurrent frequent gout attacks, and serum uric acid is greater than 420μmol/L, it is necessary to apply uric acid-lowering drugs for treatment.