Symptoms of bronchitis in children include coughing, coughing up sputum, fever, and in severe cases, difficulty breathing. Bronchitis in children mainly includes acute bronchitis and capillary bronchitis. Treatment includes symptomatic treatment and infection control. 1. Acute bronchitis is pathogen infection of bronchial mucosa. Cough is the main symptom, which starts as dry cough and is followed by coughing up sputum, and infants and young children may have fever, vomiting and other symptoms. Symptomatic treatment includes drinking plenty of water, patting the back, and nebulized inhalation of expectorant drugs such as Ambroxol if necessary. If bacterial infection is suspected, antibacterial drugs such as cefuroxime can be used as prescribed by the doctor. 2. Capillary bronchitis is a lower respiratory tract infection, mainly manifested as lower respiratory tract obstruction, can appear expiratory dyspnea with wheezing, the treatment can be oxygen, the use of bronchodilators such as salbutamol nebulizer to expand the airway, aminobromine, ipratropium bromide nebulizer inhalation, to promote the expulsion of sputum. If the mycoplasma nucleic acid PCR is positive, it can be treated with azithromycin as prescribed by the doctor. Children’s bronchitis, it is recommended to consult a doctor in time, drugs need to be used under the guidance of a professional doctor.