Cough can eat orange, but do not eat more. Tangerines are sweet and sour in taste, cool in nature, and have the effect of opening the stomach and regulating the qi, relieving cough and moistening the lungs. Roasted orange is the best effect of phlegm, orange peel after drying into Chenpi, Chenpi is into the medicine, has the effect of moistening dryness and phlegm. After being roasted by fire, the medicinal property still exists, that is to say, the fresh orange peel turns into Chen Pi in a short time under the action of fire. As the fresh orange is more watery, roasting the orange by fire is equal to the decoction of a single flavor of Chen Pi in water. Chenpi decoction has a dilating effect on the bronchial tubes and can treat cough and asthma. Specifically, the practice is to wash oranges and steam them in a steamer can also be taken. Orange peel is called Chenpi after it is dried, and Chenpi has the best effect of regulating qi and moistening dryness, resolving phlegm and relieving cough, strengthening the spleen and stomach.