Pneumonia in newborns, the baby appears to spit bubbles, this performance is mainly due to the newborn within 3-4 months of birth, salivary glands began to gradually develop, relatively at this time the secretion of saliva will gradually increase, but the newborn’s oral cavity, upper respiratory tract these organ development is not perfect. For example, swallowing and respiratory functions do not reach the level of perfection of older children and are not able to adjust how to discharge excessive secretions in the mouth. Therefore, in the case of neonatal pneumonia, newborns are prone to drooling and vomiting bubbles. It is important to pay attention to the diagnosis and treatment of neonatal pneumonia and to observe changes in the condition to prevent the occurrence of inflammation that continues to spread and leads to the occurrence of heart failure. If you find that your child is spitting up bubbles, go to the neonatal unit in a timely manner, except for the occurrence of lung infection.