It is not recommended to eat bread during a cough, first of all, there are more additives in bread, the main ingredients are starch and sugar and fats. Starch is necessary for the body for energy, but not the main substance to provide nutrition. So usually eating steamed buns and rice can provide to enough starch, so bread is not recommended to take. In addition, the bread in the sugar content is relatively high, eat more sugar has the effect of generating phlegm, but will aggravate the cough. Sweets tend to remain in the mouth causing bacteria or viruses to multiply, but will aggravate the respiratory system infection, aggravate the cough, so bread is not recommended during cough. During coughing, it is recommended to eat light, simple, easy to digest food as well as fruits and vegetables rich in vitamin C. It is recommended to eat millet porridge, rice porridge as well as rotten noodles, noodles with green vegetables or apples, pears, grapefruit, which have the effect of moistening the lungs and relieving cough.