Acute bronchitis in infants and young children may be related to viral or bacterial infections. After the diagnosis is confirmed, general treatment as well as symptomatic treatment (anti-infection) and symptomatic treatment can be taken. 1. General treatment: infants and young children with acute bronchitis should pay attention to more rest, drink more water, and eat a light diet to promote early recovery. 2. Treatment: Most of the acute bronchitis in infants and young children are caused by viral infections. If it is diagnosed to be caused by common viral infections, antiviral treatment such as ribavirin can be used. If it is caused by bacterial infection, it can be treated with antibiotics such as cefixime, and mycoplasma infection can be treated with macrolide antibiotics such as azithromycin. 3. Symptomatic treatment: If the baby’s phlegm is not easy to cough up, you can use expectorant drugs, such as aminobromine nebulized inhalation treatment. If wheezing is serious, use bronchodilators, such as nebulized inhalation of salbutamol. Fever can be treated with physical or pharmacologic cooling according to the specific temperature. It is recommended that infants and young children with acute bronchitis go to the hospital as soon as possible, under the guidance of the doctor to carry out the relevant treatment, the use of medication in accordance with the doctor’s instructions.