Drugs to reduce blood uric acid are mainly: promote uric acid excretion drugs and inhibit uric acid production drugs. 1. Promote uric acid excretion drugs: such as benzbromarone, can change the body of uric acid metabolism and reduce the concentration of blood uric acid, for acute gout attacks and renal impairment is contraindicated, taking benzbromarone may cause hives, skin erythema and other abnormalities in the process of using the drug need to pay attention to. 2. Inhibition of uric acid production drugs: such as allopurinol. It can inhibit xanthine oxidase, so that the body of uric acid synthesis to reduce, and then achieve the purpose of reducing blood uric acid concentration, if there are abnormalities in liver and kidney function need to be contraindicated. Allopurinol may also cause headache, numbness of the hands and feet and other abnormal symptoms, need to reduce the amount or stop observing. These drugs can reduce blood uric acid, need to be under the guidance of a doctor to use the correct medication, and should pay attention to low purine diet and drink more water.