ObjectivesPulmonary hemorrhage (PH) is one kind of critical lung diseases in newborn infants. which is the most difficult one to be diagnosed by ultrasound. This study was to investigate the specific ultrasonic signs of PH in order to better diagnose neonatal PH by using lung ultrasound (LUS). MethodsA total 168 newborn infants were enrolled in this study. https://www.nacrack.com/flash-deal-Diamond-Painting-Zee-en-strand-special-find/