There are many causes of dry cough, and the treatment is different for dry cough caused by different reasons; a. Dry cough caused by cold. If the dry cough is caused by a cold, you just need to pay attention to control the cold for your baby. You can take a little cold medicine, let your baby rest more and drink more water. Second, the cold caused by chronic pharyngitis. To eliminate all kinds of causative factors, usually pay attention not to let the baby too much strain, enhance the baby’s physical fitness, pay attention to the baby’s oral hygiene, do not let the baby talk for a long time, more avoid hoarse shouting, crying, etc.. If the acute attack of pharyngitis with breathing difficulties and other symptoms, should not be self-medication, easy to immediately seek medical attention. Third, the dry cough caused by gastroesophageal reflux. Start by changing your habits, such as eating a high-protein, low-fat diet, losing weight, adding fiber and letting your baby exercise regularly, limiting your baby’s three meals a day, and not having a full dinner. Raise the bed before going to sleep, and use acid suppressants and gastric stimulants under the guidance of a doctor. Fourth, dry cough caused by cough variant asthma. Avoid exposing your baby to allergens, especially during the good season, and avoid inhaling smoke, dust, odors or irritating gases.