Codonopsis can be categorized into various kinds of ginseng, vegetative ginseng, Sichuan ginseng and so on. Codonopsis has the effects of strengthening the spleen and lungs (strengthening the functions of the spleen and lungs), nourishing blood and promoting the production of body fluid. It is used for spleen and lung qi deficiency, poor appetite and tiredness, cough and asthma, deficiency of qi and blood, yellowish color (yellowish and lusterless), palpitation (rapid heartbeat, often accompanied by panic), shortness of breath, thirst due to injury of fluids, and thirst due to internal heat (internal heat accompanied by symptoms such as eating more, drinking more and urinating more). It should not be used with quassia. Dangshen grows in the edge of forests and mountain bushes, and is mainly distributed in North China and Northeast China. Vegetative ginseng grows in mountainous bushes and undergrowth at an altitude of 1500-3200m, and is distributed in northwestern Sichuan, central Shanxi, and so on. Szechuan ginseng grows in the bushes of mountainous forests at an altitude of 900～2300m, distributed in Sichuan, Guizhou and other places. Feeling unwell, it is recommended to go to the hospital in time, and the use of all kinds of ginseng needs to be guided by professional physicians.