Cough is due to foreign body, inflammation, physical or chemical stimulation of the respiratory mucosa or pleura and caused by protective measures, is one of the most common symptoms of respiratory diseases, with the removal of respiratory secretions and foreign body protective effect, the specific treatment should depend on the situation. 1, irritating dry cough: if the irritating dry cough is paroxysmal, and does not affect daily life, there is no need for medication for the time being, pay attention to daily care; for severe dry cough affecting the rest of the child, can be appropriate oral cough suppressants, relieve the discomfort of the child, to ensure that sleep is conducive to the recovery of the disease. 2, phlegm cough to phlegm-oriented: because the cough can be retained in the respiratory tract phlegm exclusion, in order to facilitate alveolar ventilation. If the phlegm is sticky and difficult to expel, you can take oral expectorant to dilute the phlegm to help expel phlegm. 3.According to the situation, antibiotics can be used if necessary if bacterial infection is considered. (1) Keep the air in the surrounding environment moist: Breathing moist air can reduce the inflammation of respiratory mucosa, and at the same time can dilute the secretion. (2) Drink more water: Ask the child to drink a moderate amount of warm water to reduce the irritation of the respiratory tract. (3) Topical medication: If the cough is severe with wheezing, you can use nebulized inhalation, local medication, relatively small side effects, fast-acting. (4) Percussion on the back to loosen secretions and facilitate phlegm coughing out of the respiratory tract. (5) Avoid eating irritating foods, avoid going in and out of public places with large crowds and dirty air, reduce cold air exposure, and wear a mask when waking up in the morning or going out. If the child develops other serious, persistent or progressive symptoms, he/she should consult a doctor in time.