Food taboos for chronic bronchitis mainly include raw and cold food, spicy food, allergy-prone food and so on. 1. Cold foods: mainly include cold drinks, ice cream, etc., so as not to cause irritation to the throat area, thus aggravating the symptoms of coughing and coughing up phlegm. 2. Spicy foods: mainly include chili peppers, ginger, etc., which may cause an increase in phlegm and aggravate the symptoms of coughing. 3. Allergenic food: mainly including eggs, milk, seafood, etc. If the patient is allergic to allergens, the disease is caused by contact with allergens, then avoid contact with allergens to avoid aggravation of the condition. It is recommended that patients with chronic bronchitis adjust their dietary structure under the advice of a doctor, and also go to the hospital in time to detect allergens, so as to avoid recurrence of the disease.