Atherosclerosis, also known as atherosclerosis, refers to a kind of non-inflammatory lesion of arteries, mainly characterized by thickening of arterial wall, weakening of elasticity, narrowing of lumen, and even resulting in blockage; it is one of the most important and common vascular diseases. Atherosclerosis is mainly related to hypertension, hyperlipidemia, smoking, obesity, etc. Clinical manifestations are related to the degree of vascular lesions and related organ involvement, and there is no obvious discomfort in the early stage, while in the middle and late stage, there may be dizziness, headache, palpitation, chest pain, chest tightness, and cold and numbness of limbs and other manifestations. According to the situation, patients need to do blood routine, vascular ultrasound, X-ray, electrocardiogram, coronary artery CT angiography and other tests to clarify the scope and extent of lesions, whether the organs are involved, and according to the results of the examination to formulate an individualized treatment plan. Treatment of atherosclerosis includes medication, surgery, dietary control, appropriate exercise, etc.; atherosclerosis is a slowly progressive disease, early intervention treatment can slow down the progress of the disease, and change of lifestyle is the basis of the patient to pay attention to controlling the calories of food, a healthy diet, quit smoking and limiting alcohol, maintain a good state of mind, and maintain appropriate physical exercise. If you have any symptoms of physical discomfort, you should go to the hospital in time and consult your physician for guidance.