Children with bronchitis cough, parents should take their children to the hospital for diagnosis and treatment, but also to do the following: 1, eat more food with lung moistening function, the purpose is to reduce cough and relieve lung discomfort, mainly including black fungus, white radish, kelp, lotus root, bamboo shoots, loofah, pear, etc.; 2, eat more vegetables and fruits: vitamin A has the role of protecting the respiratory mucosa, vitamin C can improve immunity, effective Prevention of respiratory tract infections, so timely supplementation of both is of great importance. There are more vegetables and fruits of this kind, which mainly play the effect of moistening lungs and resolving phlegm; 3. Drink more water: timely replenishment of water and increase of liquid intake can correct or prevent water loss, and also dilute phlegm to promote its excretion. Children should drink more plain water, you can add the right amount of honey; 4, eat more protein-rich food: high-quality protein, such as milk, eggs, fish, all kinds of lean meat, soybeans and dairy products. While supplementing protein, carbohydrates should be properly consumed.