In Chinese medicine, there is a fish fire, meat phlegm, cough or bronchitis, should eat less fish, shrimp, crab, fat meat, etc., so as not to help fire phlegm. In addition, greasy food is easy to aggravate the cough, cold, bronchitis recovery is not conducive to cold and cough or after a light, easy to digest diet is good. Among all the fishy foods, fish such as silver carp and scallop are most likely to aggravate cough, so patients should pay special attention to avoid these two kinds of fish. Some coughing children in eating fish will cough aggravation, which is related to the fishy flavor stimulation of the respiratory tract, the fish, shrimp food protein allergy. Especially children who are allergic to certain fish and eggs should avoid this kind of food. Eat more fruit and drink more water after coughing.