Carotid artery nodules are thickened and enlarged in the carotid artery and can be diagnosed by ultrasound and CT of the neck. Carotid artery nodules are most common in elderly people, due to reduced vascular metabolism combined with atherosclerosis, hypertension, hyperlipidemia and coronary artery disease, often leading to headache, dizziness, blurred vision, numbness of the limbs and weakness. Patients can usually take lipid-lowering drugs to improve, commonly used drugs are atorvastatin calcium tablets or Chinese medicine with blood circulation and blood stasis effect treatment. In life, we should pay attention to a reasonable diet to reduce the intake of high-fat and high-protein foods, and pay attention to proper exercise to improve blood circulation, which is beneficial to the treatment of carotid artery nodules.