The initial recommended dose of febuxostat tablets in 40mg size per tablet is half a tablet (20mg) per day, and after 4 weeks, if the blood uric acid level is still higher than 6mg/dl, the dosage can be gradually increased by half a tablet (20mg) each time, with the maximum dose of two tablets (80mg) in a single day. Currently, there are three common sizes of Febuxostat tablets of different brands: 20mg, 40mg and 80mg. The drug is mainly used to reduce the high blood uric acid in gout patients’ blood, which must be taken according to the doctor’s instructions, not for private use. The recommended initial oral dosage is 20mg once daily, and the dosage should be increased or decreased according to the uric acid condition. Patients who are being treated with azathioprine and those who are allergic to the components of febuxostat tablets are prohibited from using the drug for treatment. Common adverse reactions to the use of the drug include nausea, arthralgia, skin rash and abnormal liver function. Note that the drug has the ability to lower blood uric acid levels, the use of this product during acute attacks of gouty arthritis can lower blood uric acid levels and aggravate gouty arthritis, it is recommended that this product should not be used until the symptoms are stabilized. Febuxostat need to be used under the guidance of a physician, it is recommended that patients who need to take Febuxostat to the rheumatology and immunology department of the regular hospital in a timely manner to carry out relevant consultations.