Bilateral common artery ulcer usually refers to bilateral common carotid artery ulcerative plaque formation, is a more serious plaque situation. Common carotid artery ulcerative plaque is caused by atherosclerotic plaque damage rupture, arterial ulcerative plaque is extremely unstable, is one of the important factors causing ischemic cerebrovascular disease, is more serious, need to pay great attention. If there are clinical symptoms of ischemic cerebrovascular disease in ulcerated plaque of common carotid artery, even if the degree of stenosis is not big, surgery should be actively given when necessary. If the degree of stenosis of the ulcerated plaque is greater than 75%, surgical treatment should be carried out under the evaluation of a specialist, depending on the condition of the patient. If there is no clinical symptom of ischemic cerebrovascular disease and the degree of stenosis of carotid plaque ulcer is less than 75%, after strict evaluation, conservative management can be carried out, and active anti-platelet aggregation such as oral aspirin, plaque stabilization such as oral propranolol, etc., and anticoagulant such as warfarin, etc., are also needed when necessary. If bilateral common carotid artery ulcers are detected, the patient should actively seek the guidance of a specialist in the Department of Neurology to avoid delays.