There are many foods in life that have the effect of dissolving phlegm. Foods that have the function of expectorant, the more common ones are honey, pear, sugar cane, chestnut, winter melon, loofah and so on. If the phlegm is not much and the cough is not obvious, you can choose diet therapy and eat more expectorant foods, such as honey stewed pear and honey stewed radish to improve. If the cough and phlegm are more obvious and simple diet therapy has no obvious effect, you can use medicines such as snake gall and Sichuan shellfish liquid, acute branch syrup and compound fresh bamboo leech liquid, which have better expectorant effect. Western medicine can use aminoglutethimide, kemin and other drugs, while paying attention to anti-infection treatment. In addition, Chinese medicine believes that persimmons are food that clears heat and strengthens the stomach, eat more persimmons, for coughing with phlegm, there is good relief. But for constipation patients do not eat astringent persimmons, this is easy to cause stool dryness.