Causes of stroke are as follows: 1, high blood pressure is the first and most common cause of stroke, long-term high blood pressure will lead to atherosclerosis, which leads to blood vessel blockage or rupture triggering stroke. 2, diabetes, hyperlipidemia, hyperuricemia, these are also causes of stroke. 3, long-term smoking can also cause arteriosclerosis, which can cause stroke. 4, heart disease, such as arrhythmia, especially atrial fibrillation patients, easy to form embolism in the heart, once the embolism is dislodged to induce stroke. 5, there are other reasons, such as obesity, long-term sleep, and physical exercise is too little, these are risk factors for stroke.