According to the relevant clinical trials, oral 40mg/day febuxostat roughly 1 week onset of action, the specific onset of action time according to the patient’s individual constitution, specific conditions and other factors there are greater differences, can not be generalized. Febuxostat is one of the drugs to inhibit uric acid production, 1.0~1.5 hours after taking Febuxostat blood concentration can reach the maximum, pharmacokinetic data show that for 7 consecutive days after breakfast orally 40mg Febuxostat, human plasma concentration of Febuxostat can be stabilized on the 3rd day after the administration of the drug, oral 40mg/day Febuxostat roughly 1 week onset of action. Febuxostat is commonly used in the treatment of gout symptoms of high uric acid patients, and hyperuricemia can be divided into primary hyperuricemia and secondary hyperuricemia, different types of hyperuricemia patients using Febuxostat to treat the specific onset of action time varies, in addition to different age, different gender patients taking Febuxostat onset of action time also varies. Febuxostat is used to reduce uric acid in patients with gout but does not directly relieve the symptoms of acute gout attacks, so patients should have their blood uric acid levels monitored regularly if they need to know whether the drug is working and how well their blood uric acid levels are controlled. Febuxostat should be used under the guidance of a physician, it is recommended that patients who need to take the drug to the rheumatology and immunology department of a regular hospital for detailed consultation.