Dried ginger is a perennial herb. Rootstock, yellow-green flowers, pungent smell. Plant height 0.5-1m; The rhizome is stout, multi-branched, fragrant and spicy. Leaf blade lanceolate or linear lanceolate, glabrous, sessile; Ligule membranous. The total pedicel is 25 cm long; Spike conical; Bracts ovate, light green or yellowish at the margin, with a small apex. Calyx tube is about 65438 0 cm long; Corolla yellow-green, lobes lanceolate; The central lobe of the lip is oblong and obovate.

In the central, southeast and southwest of China, Xianfeng, Huolong, Laifeng, Tongshan, Yangxin, Sun Yicheng, Xianning and Daye provinces are widely planted. It is also widely cultivated in tropical Asia.

Rhizomes are used as medicine, and fresh or dried products can be used as cooking ingredients or made into pickles and sweet ginger. Aromatic oil can be extracted from stems, leaves and rhizomes, and can be used in food, beverage and cosmetics.

Ginger is an economic crop with great development and utilization value. Besides gingerol, gingerol and other physiologically active substances, it also contains protein, polysaccharides, vitamins and various trace elements. It integrates nutrition, seasoning and health care. Since ancient times, it has been regarded by medical scientists as a health care product with the same origin of medicine and food, which has many health care functions such as dispelling cold and dampness, warming stomach and promoting blood circulation. Ganjiang products are becoming more and more popular in the international market, especially in Southeast Asia, Japan and other countries and regions, which can create a large amount of foreign exchange for the country every year.