The present invention provides uses of the compounds represented by formula (I), pharmaceutically acceptable salts, solvates thereof or a pharmaceutical composition comprising any one of them for lowering uric acid, anti-inflammation, preventing or treating uric acid or gout diseases, especially uses in the preparation of medicaments for the treatment or prevention of hyperuricemia, gout, gout inflammation, pain, and uric acid nephropathy. (In formula (I), R1 is selected from hydrogen or C1-4 alkyl and so on, R2 is selected from C1-10 alkyl and so on, and R3 is selected from halogen atoms and so on.)
