2, eat more vitamin A and vitamin C-rich food. Because vitamin A to maintain the normal function of the respiratory epithelial tissue, reduce cough symptoms have a certain role, should be rich in vitamin A and carotene-rich foods, such as egg yolks, animal liver and kidney, and green vegetables, carrots, tomatoes and so on. Vitamin C can protect the bronchial epithelial cells and reduce capillary permeability, involved in antibody formation, promote inflammation, so you should eat more vitamin C-rich fresh vegetables and fruits. Secondly, the supplemental vitamins can enhance the body's immune function, promote the body's antibody formation and phagocytosis of white blood cells, reduce the symptoms of respiratory tract infections, so should be supplemented with enough vitamin A and vitamin C.
3, drink more water. Drinking a lot of water is conducive to sputum dilution and keeping the respiratory tract open. Drink no less than 2,000ml of water per day.
4. Limit dairy products in moderation. Because dairy products are easy to make the phlegm thick, make the infection worse, should be avoided. However, because dairy products are the main source of calcium, attention should be paid to daily supplementation of high-quality calcium when dairy products are not consumed.
5, should be supplemented with dietary therapy. Chronic bronchial patients usually at home can make some of their own medicinal diet to eat, medicinal diet prescription to phlegm, asthma, cough, lowering the gas food is appropriate, such as tofu and radish soup, almond congee, white fruit congee, lily honey drink.