1, Pericarpium Citri Tangerinae has many functions. It has the functions of invigorating spleen and appetizing, resolving phlegm and relieving cough. Soaking tangerine peel in water has the effect of losing weight. Can treat abdominal distension, help digestion, and also have a certain effect on eliminating fat.

2. Regular drinking can also prevent the occurrence of hypertension, and can effectively treat hypertension, especially suitable for middle-aged and elderly patients. Moreover, drinking old skin water often has the functions of moistening lung and strengthening spleen, dredging collaterals and promoting blood circulation. But it is not suitable for drinking too much, because it is easy to cause excessive internal heat.