Six-year-old baby sleep cough at night if the environment is dry, dusty and other physiological factors, generally do not need to take medication. However, if it is caused by respiratory tract infections and other diseases, you need to take oral cough medication, antiviral drugs, such as orange shellfish, oseltamivir phosphate, etc. for the cause. 1. Physiological factors: If the environment is dry and the air is dusty, the six-year-old baby will have a cough at night. If the short-term occurrence of such a situation is normal, daily need to keep the air humidity is appropriate, timely clean up the dust can be improved. 2. Respiratory tract infection: six-year-old baby sleep cough at night may also be caused by respiratory tract infection. If it is caused by viral infections, such as influenza need to comply with the doctor’s oral oseltamivir phosphate. If it is caused by bacterial infection, according to the results of the examination of oral antibacterial drugs, such as roxithromycin, amoxicillin and so on. Also need to take oral cough medication, such as orange shellfish. There are many reasons that cause six-year-old babies to sleep and cough at night, and parents are advised to bring their children to the hospital to find out the cause of the disease.