西洋参为五加科植物西洋参Damaxgainguefolunl的根。主产于美国、加拿大及法国,现已在我国引种成功,并大量栽培。秋季采挖生长了3～6年的根,除去分枝、须尾,晒干,喷水湿润,去除外皮,再用硫磺熏之,晒干后即得。西洋参具有补气养阴,清火生津的功效。性偏寒凉,对气虚而阴津耗伤有? American ginseng is the root of the American ginseng Damaxgainguefolunl of Araliaceae. Mainly produced in the United States, Canada and France, has been successfully introduced in China, and a large number of cultivation. In the fall, the roots were excavated for 3 to 6 years. Branches and tails were removed, dried and sprayed with moist water. The skin was removed and then smoked with sulfur and dried after being dried. American ginseng has the effect of supplementing qi and nourishing yin, clearing fire, and producing fluid. Partial cold and cold, on the yin deficiency and yinjin consumption?