Amomum villosum Lour. (scientific name: Amomum villosum Lour.) is a perennial herb of the ginger family, cardamom. The plant height can reach 3 meters, the stems are scattered; the rhizome creeps on the ground, the middle leaf is long lanceolate, the upper leaf is linear, the tip tail is pointed, both sides are smooth and hairless, the tongue is semicircular, the spike is oval, the total pedicel is Brown short villi; scales membranous, elliptic, bracts lanceolate, membranous; bracteoles are tubular, calyx apex with three shallow teeth, white, lobes obovate-oblong, lip round spoon-shaped, white, The ovary is white pilose. The capsule is oval in shape, purplish red when mature, brown when dried, and the seeds are polygonal, with a strong aroma and bitter taste. Flowering from May to June; fruiting from August to September.