Chronic bronchitis can not eat the following foods: 1, easy to allergic food: allergic people pay attention to allergens, such as eating seafood or insect allergies, causing spasm of the airway, the exacerbation of chronic bronchitis attacks, so patients with chronic bronchitis should avoid food that can lead to allergies; 2, difficult to digest and cold food: chronic bronchitis recurrent attacks, poor health, poor gastrointestinal function, more serious lack of oxygen, can not eat difficult to digest food, such as meat, especially red meat, can enhance the burden on the gastrointestinal tract; cold food can reduce the temperature of the gastrointestinal tract, reducing the movement, absorption, secretion function and the digestion of food.