The diet of patients with lung infection has several aspects such as easily digestible food, contraindicated food, vegetables and fruits selection, as follows: 1. The patient should not eat cold food just taken out of the refrigerator, such as ice cream, cold drinks, etc., with particular emphasis on not overeating. 3. Choice of vegetables and fruits: In case of lung infection, different vegetables and fruits can be used depending on the evidence. If you have a hot cough caused by phlegm-heat or wind-heat, you can eat cooler fruits and vegetables, such as pears and oranges, or cooler vegetables, such as spinach, lettuce and bok choy. If the cough is caused by cold wind and cold lung, you can eat warm vegetables and fruits, such as lychee and cinnamon, or warm foods such as boiled lotus root and lentils.