People with 2 to 3 or more of the following risk factors are at high risk for stroke and are recommended to undergo stroke screening at a general hospital. The main screening items include: neurological examination, carotid artery auscultation, blood biochemical examination (such as liver and kidney function, lipid analysis, blood glucose, blood homocysteine, urine routine, etc.), carotid ultrasound and transcranial Doppler examination (TCD), etc. Depending on the condition, additional tests such as echocardiography, MRI, MRA, CTA, DSA, etc. may be added. Hypertension or taking antihypertensive medication Hypercholesterolemia or taking lipid-lowering medication Diabetes Atrial fibrillation or other heart disease Sleep apnea History of stroke or heart disease in the immediate family (father, mother, siblings, children) Smoking Heavy alcohol consumption Lack of physical activity, unable to do it consistently 3 times a week (at least 20-30 minutes each time) Diet containing saturated fatty acids or too much fat Excessive oil and fat Obesity Age over 50 years Male Frequent bleeding and swelling of gums, gum recession, loose and lost teeth History of ischemic eye disease Sudden deafness