Patients with acute bronchitis should not eat spicy and irritating foods such as pepper, chili, garlic, onion, leek, etc. during their illness. You cannot eat hairy foods such as beef, mutton and goose to avoid stimulating respiratory symptoms. It is also necessary to pay attention to not too salty, too sweet, hot and cold to be appropriate, not to eat yellow fish, scallops, shrimp, crab and other seafood foods, so as not to breed phlegm and dampness. You should not eat foods that are too cold, such as frozen ice cream, and so on. You can eat more fresh vegetables and fruits, such as cabbage, spinach, radish, carrot, tomato, winter melon, snow pear, grapefruit, Luo Han Guo and so on. Usually drink more warm water, keep your diet light and hygienic, wash your hands before meals to avoid illness from the mouth.