The right hand blood pressure is higher than the left hand, mainly because of the anatomical position of the brachial artery of the left and right limbs, resulting in the blood pressure left and right are not the same, generally the right side to be higher, higher than the left upper limb 5-10mmHg. In measuring blood pressure must pay attention to the measurement of the same part, measurement of the side of the same time every day with a sphygmomanometer, and in the same time every day to measure. Usually pay attention to rest, reduce activities, and maintain sufficient sleep. It is good for the stability of blood pressure, do not smoke, do not promote drinking. If you drink alcohol, men should not drink more than 25g per day, wine should be less than 100-150ml, beer less than 250-500ml, liquor less than 25-50ml. women should reduce the amount by half, and pregnant women should not drink alcohol.