Old White Tea, as a kind of food, generally has no side effects when consumed in small quantities, but excessive consumption may affect the spleen, stomach and sleep. Chenpi is pungent and warm in nature and is suitable for people with qi stagnation and phlegm-dampness, while those with yin deficiency and hyperactivity (deficiency of yin fluid and hyperactivity of yang qi) may suffer from dry mouth, irritability and other hot and hot symptoms as a side effect of taking it. The Chinese medicine Chenpi is the ripe fruit peel of the plant tangerine or tangerine varieties, which can regulate qi and strengthen the spleen (regulate qi and strengthen the spleen), dry dampness and resolve phlegm (dispel phlegm in the body by drying dampness medication), and regulate qi and strengthen the spleen and is often used in treating stagnation of the spleen and stomach qi and coughing of wet phlegm due to stagnation of qi and phlegm-dampness. However, if the identification is wrong, those who take Chen Pi without the right symptoms may experience adverse reactions such as dry mouth and irritability. White tea contains tea polyphenols, caffeine and other substances, if too much strong tea, may lead to spleen and stomach discomfort, affecting sleep. Note that tea cannot replace medication, if tea consumption causes discomfort, you should go to the hospital in time.