Febuxostat has the effect of lowering blood uric acid, and some patients can experience a decrease in blood uric acid after taking Febuxostat for one week. However, due to differences in patient dosage, condition and personal factors, it is uncertain whether the patient’s blood uric acid can be reduced within a week, it is recommended that the actual situation prevail. Febuxostat is a xanthine oxidase inhibitor that reduces blood uric acid levels by inhibiting uric acid synthesis, and is suitable for the long-term treatment of hyperuricemia in gout patients. Usually, patients can stabilize their blood levels after taking a full dose of Febuxostat daily. High blood uric acid is mainly due to reasons such as excessive blood uric acid production or reduced excretion. Different causes of elevated blood uric acid, drug treatment may also have differences in the rate of reduction; in addition, whether the patient is taking febuxostat strict dietary restrictions, and follow the doctor’s instructions to take medication on time and in accordance with the dosage, etc. will also affect the effectiveness of the drug. Febuxostat can cause fatigue, loss of appetite, right upper abdominal discomfort, soy sauce-colored urine or jaundice and other adverse reactions. It is contraindicated in patients with a history of hypersensitivity to the ingredients of the product and in patients being treated with azathioprine and mercaptopurine. Febuxostat need to be used under the guidance of a physician, such as the discovery of elevated blood uric acid, it is recommended that patients promptly to the rheumatology and immunology department of the regular hospital and other related departments, in accordance with the doctor’s instructions standardized diagnosis and treatment.