Children get up in the morning cough may be airway mucosal dryness, phlegm irritation or allergic cough and other causes, to combine the various circumstances of specific analysis. 1. Dry airway mucosa: basal metabolism is lower at night, but breathing has been continued all night, you can lose 200-300mL of body fluids, so that the airway mucosa is dry, especially the pharyngeal mucosa is drier, you will get up in the morning when coughing. 2. Phlegm stimulation: children sleep all night, the pharynx is easy to accumulate airway secretions, that is, phlegm, get up phlegm stimulation of the pharynx, there will be a cough. At this time, give your child some warm water to help relieve the cough. 3. Allergic cough: it may also be because the child has allergies, allergic cough usually occurs in the morning when you get up and touch the cold air or cold, airway stimulation will lead to coughing. Children get up in the morning cough in addition to the above reasons may also be caused by other reasons, if children continue to get up in the morning cough, or accompanied by other uncomfortable symptoms, it is recommended that parents take the child as soon as possible to find out the cause of the cause of the targeted treatment, in order to avoid adverse consequences.