Bronchitis cough in children, usually secondary to an upper respiratory tract infection, has as its main clinical symptom a cough, initially dry and later with sputum. It can be accompanied by fever, vomiting, diarrhea and other symptoms of the digestive tract. Children with bronchitis and cough should pay attention to the principle of combining home care and medication, specifically the following methods 1. Drink plenty of warm water and eat a light and nutritious diet to increase body water and at the same time meet the needs of the organism. 2, pay attention to warmth: temperature changes, especially the stimulation of cold can reduce the local resistance of the bronchial mucosa, aggravating bronchitis, indoor temperature control at about 22-24 degrees, humidity at 50-60% is appropriate. 3.Positioning: change the position frequently, help turn and pat the back, once every 1~2 hours, keep the child in semi-recumbent position, which is favorable for sputum discharge. 4.Medication: For those with fever and yellow sputum, bacterial infection should be considered, and blood routine can be checked and sputum culture can be checked if necessary. Suspected of mycoplasma and chlamydia infection, it is recommended to use macrolide antibiotics. Symptomatic treatment is mainly oral cough medicines, both Chinese and Western medicines, such as pediatric cough granules and aminoglutethimide, etc. It can also be combined with the application of sprays or herbal patches in appropriate amounts, and nebulized inhalation treatment can be considered when necessary. Parents must not smoke indoors to prevent the child from being stimulated by the smell of smoke.