Abstract:According to statistics , the number of end stage nephropathy patient is increasing year byyear . In China , Its main treatment is hemodialysis . And a vascular pathway that is stable and reliable is the prerequisite and insurance against hemodialysis which can process smoothly .ColorDoppler ultrasound is widely used in clinical works to evaluate vascular pathway and its related blood vessels because it is noninvasive , Well reproducible and its realtime dynamic observation of blood vessels and other advantages . This article will review the value of color Doppler ultrasound in the vascular access to hemodialysis patients .