脑动脉硬化症是指供应脑组织血液循环的较大动脉(包括颈内动脉和椎动脉的颅内、外段(发生动脉粥样硬化和/或其小动脉的高血压性硬化而致脑血溶量和循环血量减少,产生慢性脑供血不足,引起慢性缺血性脑功能障碍为特征的一种疾病。本病多见于老年人,病人大多在40岁以上,男性患本病较女性多,城市居民、饮食中动物性脂肪与脂质含量高者、高血压病、肥胖、吸烟者、从事紧张的脑力劳动者、糖尿病及脂质代谢失常的病人,较多患本病。我国近些年来由于人民健康事业的发展,许多疾病得到了控制,人民生活条件大大改善,寿命增长,本病的发病率有逐年增高的趋势,并成为老年人死亡 Cerebral arteriosclerosis refers to the supply of cerebral blood circulation of larger arteries (including the internal carotid artery and vertebral arteries, the outer segment (atherosclerosis and / or arteriolar hypertensive sclerosis caused by cerebral hemolysis The amount of blood circulation and reduce, resulting in chronic cerebral insufficiency, causing chronic ischemic brain dysfunction is characterized by a disease .The disease is more common in the elderly, most of the patients over the age of 40, men suffering from this disease more than women, Urban residents, the diet of animal fats and lipids, hypertension, obesity, smokers, engaged in mental stress, diabetes and lipid metabolism disorder patients, more of this disease in our country in recent years Due to the development of the people’s health, many diseases have been brought under control, the living conditions of the people have been greatly improved and their life expectancy has increased. The incidence of this disease has been increasing year by year, and has become the death of the elderly