A five-month-old baby with a cough can first be given a sputum pat, or the coughing baby can be given coughing medicines to relieve cough and phlegm, such as Folcoderm, pediatric pseudo-methamphetamine drops, or nebulized treatment. In daily life, give your baby plenty of water and dress loosely and comfortably so as not to affect your child’s breathing. A suitable environment should be established for the baby at home and the room temperature should be maintained. First, clap sputum care. The baby’s mother or father clasp their hands, from the child’s back from the bottom to the top, from the outside to the inside, because this is the direction of the lobes of the lungs, bronchi, can promote the child’s phlegm. Mom can let the baby lie on her forearm and pat the child with her other hand. Patting the back requires strong strength, too light strength is not too ideal effect. Second, take cough medicine. When the baby coughs with phlegm, you can give Ambrotyl oral solution or nebulization treatment, which can wet the respiratory tract and dilute the phlegm. But you can not use cough medicine, because cough and phlegm are two different things, cough medicine will affect the discharge of phlegm, and make the condition worse. Third, the room attention to ventilation, keep the air fresh, humidity between 50% -60%, family members try to avoid smoking at home. Fourth, dress appropriately. Fifth, replenish enough water. Baby cough phlegm, baby moms should give baby more warm water or plain water, adequate water can effectively help baby phlegm dilution, is conducive to phlegm coughing out.