Bronchitis in children is usually a complication of viral infections such as the common cold, influenza, or may be caused by bacterial infections, and is a common acute upper respiratory tract infection in children. Initially, there is fever, chills, headache and dry throat, and the main symptoms are cough and sputum. There are two types of bronchitis: acute bronchitis and chronic bronchitis. Treatment of bronchitis in children should control the infection, you can choose antibacterial drugs, such as cotrimoxazole 0.05/kg/day in two oral doses, penicillin 30-50,000 U/mg/day in two intramuscular injections, methicillin, erythromycin 30-50 mg/kg/day in 3-4 oral doses, oral penicillin drugs should also pay attention to the history of penicillin allergy, to have penicillin allergic children should be used with caution, for atopic The use of penicillin should be cautious in children with penicillin allergy and even prohibited in children with atopic allergic reactions. These children can be switched to cephalosporins cefradine, 25-50 mg per kg of body weight per day, divided into 3-4 doses. Phlegm-suppressing drugs can be used as phlegm-suppressing tablets, 1/2-l tablet each time, 3 times a day. For cough expectorant symptoms, you can choose nebulized inhalation 10% ammonium chloride combination, bromhexine hydrochloride, oral pediatric strong phlegm (1-2 tablets for 2-4 years old, 2-3 tablets for 5-8 years old), and expectorant and cough-suppressing herbal patches such as Bacopa agaricus yiqi patch and Sanjiu patch for winter. Children suffering from bronchitis should pay attention to rest, keep the air flowing in the bedroom, and maintain a suitable temperature and humidity. Give easily digestible food and drink plenty of boiled water. Provide vitamin B complex and vitamin C, 1 tablet each time, 3 times a day. For chronic and multiple-onset children, provide vitamin A and vitamin D, 1 tablet each time, 2-3 times a day.