Children coughing in the middle of the night may be related to environmental factors, upper respiratory tract infections, cough variant asthma and so on. 1. Environmental factors: If the indoor temperature is too low or too high at night, it will easily cause respiratory discomfort during the child’s sleep, resulting in coughing in the middle of the night, affecting sleep and so on. 2. Upper respiratory tract infection: when the child suffers from upper respiratory tract infection, it will easily lead to bacterial or viral invasion, and under the stimulation of inflammation, it may cause the child to cough in the middle of the night, accompanied by phlegm, abnormal body temperature and other symptoms. 3. Cough variant asthma: If the child suffers from cough variant asthma, it will easily lead to bronchial mucosa stimulated by cold air or inflammatory factors, causing the child to cough in the middle of the night. Children coughing in the middle of the night, parents should take their children to the hospital in a timely manner, after a clear diagnosis under the guidance of the doctor standardized treatment.