Objective To investigate the CRBSI rate,risk factors and etiological of PICC in neonates. Methods This is a retrospective case-serials analysis of 640 in-patients of newborn babies with PICC in our Hospital from 2015 to 2016,all the cases received PICC catheter treatment,and the factors of catheter-related bloodstream infections were analyzed. Results The number of PICC catheter-related bloodstream infection was 9, CRBSI rate pet 1000 central line-days was 0.60. The risk factors for CRBSI include the usage of Carbapenem antibiotic and the invasive mechanical ventilation(P < 0.05). The ratio of fungal,Staphylococcus in CRBSI was 80.00 % and 20.00%,respectively.Conclusion Possible risk factors which cause CRBSI are the usage of Carbap-enem antibiotic and the invasive mechanical ventilation.The major pathogen was fungal.