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The incidence of hyperuricemia and gout has been increasing year by year, and it is showing a younger trend. However, the first-line drugs currently used for hyperuricemia and gouty arthritis have serious side effects that limit their clinical application. Amomum villosum Lour. has been widely used in China for thousands of years as a traditional medical and edible plant, and previous screening showed that the ethanol extract of Amomum villosum Lour. could effectively inhibit the activity of xanthine oxidase. Based on this discovery, this paper had achieved in-depth mechanism research. The results showed that the ethanol extract of Amomum villosum Lour. could treat hyperuricemia by reducing the production of uric acid via inhibition of xanthine oxidase and increasing the excretion of uric acid via regulation of urate transporters. Meanwhile, the extract also showed a certain protective effect on hepatic and renal damage caused by hyperuricemia. With the formation of extensive uric acid, gouty arthritis will be induced by the deposition of monosodium urate in the joint. The extract could also relieve the inflammation by reducing the expression of inflammatory cytokines. In conclusion, the extract deserves focused research and development as a potential medicine, health care product or supplemented food for the prevention and treatment of hyperuricemia and gouty arthritis. [Display omitted] • The EA could reduce the production of uric acid via inhibition of xanthine oxidase. • The EA could increase the excretion of uric acid via regulation of urate transporters. • The EA showed a certain protective effect on hepatic and renal damage caused by hyperuricemia. • The EA could relieve the gouty arthritis by reducing the expression of inflammatory cytokines. • The EA deserves focused research as a potential medicine for the treatment of hyperuricemia and gouty arthritis. [ABSTRACT FROM AUTHOR]