Objective:To analyze patients with carotid artery stenosis stent in the treatment of severe low blood flow dynamics method and its ef ect.Methods:A retrospective analysis of our hospital in the past two years in patients with carotid artery stenosis stent perioperative clinical data of patients with severe low blood flow dynamics.A total of 53 cases.Result:23 patients to cough forceful y,the vein by dopamine to maintain blood pressure at the same time,atropine increased heart rate,dopamine dosage 2-10ug/(min?kg),not permanent neurological complications,but there are 1 case of acute coronary syndrome,1 case of vasovagal syncope.Conclusion:Carotid artery stenosis stent in patients with perioperative severe hemodynamic state forcibly cough,at the same time,application of dopamine,atropine, symptoms can be ef ectively control ed,and can prevent some complications.