Cerebral infarction do not take antihypertensive drugs may lie in the current patient in the acute stage of cerebral infarction, itself blood pressure is not high, so do not need to take antihypertensive drugs. There is also blood pressure in high pressure 150-160mmHg, low pressure in 100mmHg or so, also do not need to take antihypertensive drugs. Because blood pressure lowering too much can lead to the brain tissue to ischemia more serious, cause the aggravation of cerebral infarction, ischemia semi-dark band of brain tissue blood flow reduction, cause cerebral infarction range expansion. When cerebral infarction recovery period, blood pressure should also strive to achieve the standard due to individual differences, control of hypertension risk factors, control of atherosclerosis caused by the impact of individual treatment is needed.