Lung nourishing tremella decoction: tremella 10g, 7 jujubes, and appropriate amount of rock sugar. Chop tremella with water, remove the core from jujube, cook for 1 hour, add appropriate amount of rock sugar, and take it twice in the morning and evening. It has the effects of nourishing lung, moistening lung, nourishing yin and promoting fluid production, and is suitable for lung-qi deficiency syndrome such as weakness, dry cough with little phlegm, dry throat and itching, mental fatigue and shortness of breath. If you take it for a long time, you can reduce it, using 3 grams of tremella and 3 jujubes. It also has the functions of improving human immune function, softening blood vessels, resisting aging and prolonging life.