高血压是脑卒中的重要危险因素 ,血压水平和脑卒中发病的相对危险性呈对数线性关系[1] 。对高危人群做好防治工作已成为人们关心的重要问题 ,为此 ,1997年 3月～ 2 0 0 0年 3月 ,我们采用小剂量美托洛尔 (β受体阻滞剂 )防治脑卒中复发 ,取得较好疗效。1　对象和方法1 1　对象 Hypertension is an important risk factor for stroke. The relative risk of blood pressure and stroke is logarithmically linear [1]. Prevention and treatment of high-risk groups has become an important issue of concern to the public. For this reason, we adopted a small dose of metoprolol (β-blocker) to prevent and treat stroke in March 1997 ~ March 2000 Recurrence, achieved better effect. 1 Objects and methods 1 1 Object