The precipitating factors of stroke are factors that can promote the sudden occurrence of stroke, which can be listed as many as ten kinds and can be roughly summarized as follows: (1) mood swings (anger, excitement); (2) poor diet (overeating, improper drinking); (3) excessive fatigue; (4) excessive force; (5) excessive exercise; (6) climate change; (7) sudden position change; (8) various disease factors; ( (9) dry stool; (10) discontinuation of antihypertensive drugs, hypoglycemic drugs, etc. without following medical advice. Some of these factors can cause transient blood pressure too high or too low, blood volume changes and other hemodynamic changes, which can trigger a stroke. During seasonal changes, especially when the weather suddenly becomes cold is the high incidence of stroke, and night and morning is the most vulnerable time of the day, so we must pay attention to prevent the onset of stroke.