Cordyceps is sweet and flat. It can tonify kidney, strengthen yang, tonify lung, relieve asthma, stop bleeding and resolve phlegm.
Yam contains a variety of nutrients, which can regulate intestinal contraction and expansion, promote intestinal movement rhythm, empty intestinal contents, reduce the residence time of toxins in the body, enhance human immune function, and also have sedative and anti-coma effects. All nocturnal emission, leucorrhea of women and frequent urination have therapeutic effects in compound prescription. Eating yam regularly can whiten the skin and strengthen the body.
There is no hedging and mutual restraint between the two. This soup is more suitable for drinking in winter.