Dry cough in infants and young children needs to be identified and treated according to the cause. Such as dry air, drinking less water and other causes, change the environment and habits can be relieved, but may also be caused by bronchitis, variant asthma, etc., it is recommended that the patient go to the hospital in a timely manner, to determine the cause of the disease and then treatment. Dry air and too little water may cause dry cough in infants and young children, which does not require special medication, and can be relieved by increasing the humidity in the room and drinking more water. Bronchitis may start with nasal congestion and sore throat, followed by a dry cough or a small amount of mucus. Viral infections are generally self-limiting and can be treated with symptomatic therapy, while bacterial infections can be treated with amoxicillin and other anti-infective therapies. Variant asthma can appear breathlessness, chest tightness, dry cough or cough a lot of white foamy sputum and other symptoms. The main use of glucocorticoid drugs nebulized inhalation treatment. Dry cough in infants and children is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, the cause of the treatment. If you need to use drugs, you need to use under the guidance of a doctor.