The dried tangerine peel is derived from the mature peel of the citrus plant and the cultivar of the genus Amaranthus. It is suitable for qi and spleen, dampness and phlegm, and the equivalent of qi and stagnation. It is a good use for medicine and food. In recent years, it has anti-oxidation effect, in which flavonoids have pharmacological protection, tumor inhibition effect and antioxidant activity volatile oil and alkaloids. In addition to the fresh fragrance, the anti-oxidation effect of the fruit in the prevention and treatment of respiratory diseases is also more significant than that of the tangerine peel.