Neonatal continuous positive airway pressure support system with nasal or nasal congestion CPAP (Nasal-CPAP) will continue to positive air flow into the airway CPAP ventilator. Refers to the spontaneous breathing conditions, the patient should have a stable respiratory drive force and the appropriate tidal volume, in the entire breathing cycle of artificial imposition of a certain degree of positive airway pressure, which is conducive to prevent airway collapse, increase the functional residual capacity , Improve lung compliance, and improve oxygenation. In this mode, the ventilator only maintains a certain positive airway pressure, without mechanical ventilation. For spontaneous breathing of the newborn, to provide continuous positive pressure ventilation support.