Ginger (scientific name: Zingiber officinale Roscoe) is a perennial herb of the ginger family. Rootstock with yellow-green flowers and pungent fragrance. Plant height 0.5-1 m; The rhizome is thick, multi-branched, aromatic and spicy. Leaf blade lanceolate or linear-lanceolate, glabrous, sessile; Tongue membrane. The total pedicel is 25 cm long; Spike cones; The bracts are ovoid, light green or light yellow at the edge, with a small tip at the top. Calyx tube is about 1 cm long; Corolla yellow-green, lobes lanceolate; The central lobe of the lip is oblong-obovate.