A 6-month-old baby with a cough and phlegm and a whistling throat is advised to go to the hospital and have the doctor auscultate the baby to see if there is bronchitis, or if pneumonia is occurring. If there is bronchitis, or the onset of pneumonia, it is important to hospitalize the baby in a timely manner, and to monitor the baby’s temperature to prevent fever. You can also give the child to do nebulization inhalation expectorant drugs, you can also oral monkey jujube powder, is also expectorant very good. You can drink ice sugar pear water, usually pay attention to the child to drink more water, baby mother recently do not eat easy to fire food, such as mutton, and spicy stimulating food. Give the child to eat fruit juice and vegetable puree, to keep the air fresh and moist. To gently pat the baby’s back, up and down, especially the shoulder blade area. If the cough worsens in a certain area, that is, the phlegm gathers here, especially the bottom of the lungs is easy to accumulate phlegm, to help the baby cough out the phlegm, to clean the phlegm in the baby’s mouth in a timely manner.