Baby cough can not blindly stop coughing, need to take different measures according to different causes; common factors that cause children to cough, including allergies, respiratory infections, airway foreign body, gastroesophageal reflux, and so on. 1. Allergy: this allergic cough often occurs in the season of hot and cold, often manifested as a chronic dry cough, may also be accompanied by a runny nose and skin rashes and other phenomena, this time the baby should be taken to the hospital to find out the allergens and try to stay away from the allergens, the appropriate use of some of the anti-allergy drugs such as loratadine, cetirizine and so on. 2. Respiratory tract infections: often caused by viral infections, manifested as persistent cough, nasal congestion, runny nose. The cure mostly depends on one’s own immunity. If accompanied by bacterial infection, antibiotics such as penicillin and clarithromycin should be used in sufficient quantity and course of treatment. If necessary, nebulized inhalation therapy such as budesonide inhaler, beta2 agonist and glucocorticoid inhaler compound preparation should be chosen. 3. Airway foreign body: the baby is too small easy to inhale some foreign body coughing is not easy to discharge, you can use the Heimlich maneuver to help the child will be discharged, or the child will be sent to the hospital in time to take out the foreign body. 4. Gastroesophageal reflux: this kind of cough mostly occurs after eating, due to the immature development of children’s gastric cardia sphincter, food is very easy to reflux caused by coughing, you can use the treatment of gastritis and esophageal reflux medicines such as cimetidine and so on. The above drugs should be taken under medical advice, do not self-medication, if the baby’s cough persists for a long time, please go to the hospital in time to identify the cause of the disease and actively comply with the doctor’s instructions for treatment.