After the child’s cold is over, coughing at night, to consider cough variant asthma or bronchitis and other conditions. 1. Bronchitis: If the child’s cold lasts for a long time, or the cough is more violent, paroxysmal, accompanied by coughing up sputum, or even yellow pus sputum, at this time, we should consider that the child may be the possibility of acute bronchitis. 2. Cough variant asthma: the typical manifestation of this kind of disease is that the cough is aggravated at night, and the cough is paroxysmal. When inhaling cold air or other irritating gases at night, the cough will be aggravated. Cough variant asthma is often accompanied by nasal congestion, runny nose and sneezing during the day. There are other possibilities, such as pneumonia, when a child coughs at night after getting over a cold. It is recommended to seek medical attention to identify the cause and treat it.