objective to color doppler ultrasonic diagnosis analysis to evaluate the clinical value of carotid artery sclerosis, for future work provide reliable reference for clinical diagnosis. Methods in January 2013 in our hospital between 2014 - April 98 patients with carotid atherosclerosis in clinical, the ultrasonic examination results and clinical data were retrospectively analyzed. Results of 98 patients by color doppler ultrasound examination was found in the carotid artery - membrane thickening of the 22 cases, 65 cases of atheromatous plaque formation. Conclusion color doppler ultrasound examination can make a early diagnosis of carotid atherosclerosis, and the nature of the plaques, location, degree of stenosis can make an accurate assessment of significant clinical value, worthy of attention.