We are all familiar with the carotid artery, but when it comes to its importance in the human body, many people are instantly at a loss. The carotid artery plays a vital role in the human body, supplying 2/3 of the blood to the brain, and it is no exaggeration to say that the carotid artery is the “lifeblood of the brain”. However, the carotid artery is prone to blockage, and the main factor causing blockage is the development of sclerotic plaque. This leads to insufficient blood supply to the brain, resulting in dizziness, weakness, numbness and other uncomfortable symptoms. It may also trigger transient cerebral ischemic attack, resulting in transient local neurological dysfunction, but this condition is usually transient and reversible, and can be gradually restored to health after active and effective symptomatic treatment. Another kind is more dangerous, where the plaque is dislodged under the influence of certain factors and enters the brain with the blood, easily forming a blood clot and thus triggering an ischemic stroke. What is the treatment for carotid artery stenosis? Treatment options for carotid artery stenosis vary from patient to patient, as each patient has a different degree of stenosis, different urgency of onset, and different degree of plaque stability. The general principles of treatment are early detection, early treatment and early prevention. For lighter patients, i.e. those with stenosis less than 50%, it is necessary to choose reasonable medications to control the disease under the guidance of doctors, prevent the plaque from aggravating or rupture, and go to the hospital for regular review, in addition to preventive measures. For patients with stenosis greater than 50%, surgery can be considered according to the actual situation. At present, the ideal surgical option for the treatment of moderate to severe carotid stenosis is carotid endarterectomy, which is also commonly known as carotid dissection surgery, and is performed under a microscope to ensure the safety of the surgery. The procedure is performed under a microscope, which ensures the safety of the surgery. Moreover, the incision is small and the postoperative recovery is fast, which has achieved remarkable treatment results in clinical practice, and most of the patients have recovered.