Normal values of blood uric acid by enzyme assay range from 150 to 416 µmol/L in men and from 89 to 357 µmol/L in women. Blood uric acid is the end product of purine metabolism in the body. It is currently believed that a fasting blood uric acid level of >420µmol/L on two occasions not on the same day with a daily diet is sufficient for the diagnosis of hyperuricemia. Chronic hyperuricemia can lead to an increased risk of gout formation. A blood uric acid level of less than 150µmol/L in men and 89µmol/L in women suggests a decrease in uric acid. Decreased blood uric acid levels are most commonly seen in diseases such as hepatomegaly and hepatic necrosis. If you have abnormal blood uric acid, you need to go to the rheumatology and immunology department of the regular hospital in time to find out the cause of the disease and follow the doctor’s instructions to carry out targeted treatment.