More than a month of the baby a little cough can be seen in physiological phenomena, pathological conditions (such as respiratory infections, etc.), intervention needs to be based on the cause of the decision, such as physiological phenomena can be temporarily observed without medication; viral causes, need to be targeted for the cause of the treatment. 1. physiological phenomenon: cough is the body’s protective reflex mechanism, helps the discharge of respiratory secretions, for 1-month-old baby sleep time is long, easy to cough after waking up, belongs to the normal physiological phenomenon, often coughing light, and no other abnormal discomfort. Or baby in the feeding process, such as feeding too fast, too fast, etc., can also appear cough symptoms, pay attention to the feeding method can be avoided. Physiological causes of cough generally do not need special treatment. 2. Pathological conditions: in respiratory tract infections, such as acute bronchitis, cough symptoms, some babies may have cough sputum unfavorable, or accompanied by fever or wheezing and other symptoms, chest X-ray can assist in the diagnosis. For the treatment of such babies can be oral cough syrup to relieve cough symptoms, but also can use acetylcysteine nebulization to relieve cough and sputum symptoms, the presence of bacterial infections need to use antimicrobial drugs, such as cefaclor anti-infective treatment. In addition, there are other reasons that can lead to the baby’s cough symptoms, it is recommended to consult a doctor in a timely manner to clarify the cause of the disease for targeted treatment, to avoid delaying the time of treatment. The above drugs should be used under the guidance of a physician.