The reason why children always cough in the middle of the night and are fine in the daytime mainly includes the following situations: firstly, it is caused by children suffering from allergic cough. The cause of allergic cough, due to children belong to the allergic body, at night due to the high excitability of the nerves, this situation will cause children to cough symptoms aggravation. Cold night air can also irritate the sensitive airways of children, causing them to cough more severely at night. In this case, children can be given anti-allergy treatment such as loratadine and cetirizine. Secondly, due to the symptoms caused by children suffering from gastroesophageal reflux, due to gastroesophageal reflux in the child lying position, the degree of gastroesophageal reflux will be significantly increased, resulting in heavier cough at night, you can give the child timely application of drugs to promote intestinal peristalsis, can be given to the child to apply the morpholine.