Newborn breathing chest heaving, may be physiological reasons, may also be due to disease, such as pneumonia, neonatal respiratory distress syndrome. 1. Physiological reasons: Due to the newborn’s short nasal cavity, narrow nasal passages, and poorly developed laryngeal cartilage, the newborn may not be able to breathe well, which is manifested as a large chest rise and fall when breathing, and a heavy breath sound. Most of the above situations can be gradually improved with the growth of the child, so there is no need to worry too much. 2. Pneumonia: If the newborn suffers from pneumonia, it will induce hypoxia and respiratory distress. In the above case, the newborn will tend to increase the respiratory rate and respiratory depth to alleviate the symptoms of hypoxia, which will be manifested as a large chest rise and fall when breathing. 3. Neonatal respiratory distress syndrome: if the newborn in the lung surface due to the lack of lung surface active substances, may cause the newborn respiratory distress, manifested in the newborn respiratory chest heaving. If the newborn appears respiratory chest heaving situation, it is recommended to closely observe, abnormalities, timely consultation, follow the doctor’s instructions for symptomatic treatment.