“中风”的发生不分季节、地区,在我国中风发病率是北高南低,且以冬季较为多发(约占病人数的70%以上)。人体在受到冷空气刺激后常引起血管收缩,血流受阻,供血减少,血栓形成,堵塞脑血管而发生缺血性中风;血管收缩,可使血压进一步升高,当过度用力或情绪激动时容易导致血管破裂而 Stroke occurs regardless of season or region. In China, the incidence of stroke is high in the north and low in the south, and is more frequent in winter (accounting for more than 70% of the total number of patients). The human body often leads to vasoconstriction, blocked blood flow, reduced blood flow, thrombosis, occlusion of cerebrovascular and ischemic stroke after being stimulated by cold air. Vasoconstriction can further increase blood pressure, which is easy when over-exertion or emotional agitation. Lead to rupture of blood vessels