Methods:Both the experience of nursing care carried out with 4Fr single lumen of tube made in USA,and problems occurred in 44 cases of PICC patients undergoing hematopoietic stem cells transplantation were summarized.

• [方法]采用美国生产的4Fr单腔导管,针对44例造血干细胞移植病人应用PICC出现的问题实施的护理经验进行总结。