Children’s cough in the morning may be caused by dry air, cough variant asthma and bronchiectasis. 1. Dry air: When the indoor humidity is low and the air is dry, children in this environment are prone to triggering the dryness of the mucous membrane of the respiratory tract, which may lead to coughing when they get up in the morning. 2. Cough variant asthma: cough variant asthma is a special type of asthma, mostly chronic cough as the main clinical manifestations, usually cough is more intense, mostly in the weather change when the onset of cough or aggravation at night or early in the morning and so on. It is recommended that patients seek timely medical examination, clear causes for targeted treatment, pay attention to rest in life, drink more water, avoid strenuous exercise, while doing a good job of monitoring the condition, regular review.