Neonatal sepsis was the most common disease accounting for 88.0%, and septic shock accounted for 13.0%; acute respiratory distress syndrome accounted for 77.7%; the rate of pulmonary hemorrhage and pneumothorax was 22.8% and 8.7%, respectively; intraventricular hemorrhage accounted for 10.7% and severe asphyxia accounted for 13.6%; 71.7% of neonates had indirect hyperbilirubinemia and 71.2% of neonates had anemia; the rates of hypothermia, hypoglycemia, and hyperglycemia were 47.8%; 25.5% and 16.3%, respectively.