A uric acid of more than 500 μmol/L indicates that the patient has a higher than normal blood uric acid level and has hyperuricemia. However, a single finding of elevated blood uric acid does not necessarily mean hyperuricemia because the uric acid test can be influenced by many factors, such as when the patient has consumed large amounts of alcohol or high purine foods such as hot pot, liver, and downstream before the blood uric acid level is tested, which can lead to a transient increase in uric acid. In addition, taking certain diuretics or antibiotics may also cause a transient increase in uric acid. Patients can monitor their blood uric acid again after adjusting their diet and stopping the suspected medication. If the patient’s blood uric acid is consistently higher than 420 μmol/L, it indicates the presence of hyperuricemia. A hospital visit is required to develop the next treatment plan according to the situation.