North American ginseng is sweet and cold in nature, which can nourish yin and clear the lungs, nourish the stomach and promote the production of fluids, and get rid of the deficiency heat; and then, jade bamboo is sweet and cold in nature, with a moist texture and much liquid, which can nourish yin and moisten the dryness. Jade Bamboo can moisturize dryness and quench thirst. Sha Shen can cure lung heat cough, the two used to make soup is a common practice. The two are often paired with soup or made into a stew, the most suitable is in the dry fall and winter season to eat.
The reason why there is also the addition of old duck is because old duck is sweet and cold in nature, and can nourish yin and tonify blood. These three together, so that the soup has the effect of nourishing Yin, with ginger, not only to remove the fishy more can dispel cold. So there is a ginseng and bamboo old duck this medicinal soup.