The causes of cough in infants and young children may be related to allergic reactions, colds, gastroesophageal reflux and other factors, and appropriate treatments, such as general care and medication, should be chosen according to the specific situation. 1. Allergic reaction: If the cough is caused by allergens such as dust, smoke and other stimuli, infants and children should pay attention to maintaining a light diet, avoiding contact with allergens, and if necessary, using cetirizine drops and other relief under the advice and guidance of a doctor. 2. Colds: Infants and young children with colds can also cause coughs, often accompanied by nasal congestion and runny nose and other symptoms, can be used under the advice and guidance of the doctor to treat the children’s cold granules and other treatments, the presence of bacterial infections also need to take antibiotics such as cefixime granules and other treatments, and pay attention to maintain indoor ventilation, drink more water. 3. Gastroesophageal reflux: If the cough is caused by gastroesophageal reflux due to food irritation in infants and young children, parents can pat the baby’s back to relieve it, pay attention to the feeding posture and feeding habits, and avoid feeding the baby when it is emotionally unstable or crying. Coughing in infants and young children may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.