The baby has phlegm in the throat, can be discharged by patting the back of the phlegm, oral phlegm medication, do nebulization, treatment of primary diseases and other ways. 1. Pat the back of the phlegm: parents can hand in the hollow, the baby will be held in the arms or let sit up, in the back from the bottom to the top of the back buckle, conducive to phlegm loosening, coughing phlegm will be brought out. Or hospitals have specialized phlegm apparatus, can be done once or twice a day. 2. Oral phlegm medication: Commonly, such as Ambrotyl oral solution can play the role of cough and phlegm, which is conducive to phlegm absorption and discharge. 3. Nebulization: it is a more direct treatment for cough with phlegm, directly from the airway to give medicine, is conducive to phlegm loosening, easy to cough out. 4. Treatment of primary diseases: most coughs with phlegm are due to the presence of infection, need to carry out the appropriate blood tests and other laboratory tests, if the inflammation index is high, suspected bacterial infection need to cooperate with antibiotic treatment to have effect, such as cefixime, amoxicillin, azithromycin and so on. It is recommended to consult the doctor as soon as possible, under the guidance of the doctor for targeted treatment. Specific medication is recommended to be taken under the guidance of a doctor, do not blindly use your own medication, so as not to cause damage to the baby’s body.