There is no need to worry too much about the baby coughing up phlegm and then swallowing it. Because after coughing out, the location of the cough is the trachea, or the lungs cough out, after swallowing, swallowed into the stomach, so that can also achieve the role of phlegm. For phlegm, the main thing is to treat the disease through the method of phlegm discharge, swallowing is actually a method of phlegm discharge. Of course, there are other methods, such as nebulization, or eating drugs or food to help dissolve phlegm. For drugs such as compound licorice combination, food can eat more pears, lily, these can achieve the effect of phlegm.