Coughing at night may be caused by environmental factors, and generally do not need to take medication. Or consider the upper respiratory infection, bronchitis and other diseases, need to take medication for the cause of the disease. 1. Environmental factors: If the environmental air fluidity is poor, low humidity, room dust more, may lead to the baby cough at night. This kind of situation usually do not need to take medication, timely out of this environment can be relieved. 2. Upper respiratory tract infections: mostly caused by viral infections, generally no special medication, can be self-cured. Parents can pay attention to keep the child warm, give a light diet, and encourage the child to drink more water. 3. Bronchitis: The symptoms of bronchitis are coughing and fatigue, and the child may have a strong cough at night. If necessary, the child can be under the guidance of the doctor to apply aminobromine hydrochloride oral solution and other expectorant drugs, in order to alleviate the discomfort symptoms. There are many reasons for babies coughing at night, such as cough variant asthma, etc. Parents are advised to bring their babies to the hospital in time to clarify the cause of the disease. In daily life, you need to ensure that your baby has enough sleep.