If there is a serious reaction of the respiratory system, there will be a lot of coughing and phlegm. At this time, you can eat fruits to achieve the effect of clearing lungs and resolving phlegm. 1. sugar cane. It is rich in biological water, and has many amino acids and vitamins. From the perspective of Chinese medicine, it is a cool food, which can nourish and moisten dryness, clear lung heat, lower fire, facilitate phlegm, and also remove phlegm. 2. dragon fruit. Contains a large number of anthocyanins, can resist oxygen free radicals, can resist pathogens, can play a moistening lung, cough and phlegm effect. 3, kiwi. There are amino acids, minerals, a variety of trace elements, and a large amount of biological water, able to improve immunity, able to get rid of phlegm, cough. 4, oranges. Contains vitamin C, its role is a lot, which contains nacodyl, has the effect of cough suppression and can resolve phlegm.