In daily life to the patient to account for the measurement of blood pressure, sometimes patients are always afraid that their blood pressure measured inaccurate and inconsistent with the real blood pressure, so the blood pressure measurement should pay attention to the following points: 1, first of all, be quiet, in a quiet environment, avoid noisy environment or exercise, drinking, after a full meal to rest 5-10 minutes, preferably to empty the bladder; 2, in the measurement of blood pressure must be fully exposed upper arm. Can not wear very thick clothes, the measurement of blood pressure is not allowed; 3, generally to measure the upper arm blood pressure, the sphygmomanometer and the upper arm and the heart to be at the same level; 4, the use of mercury column sphygmomanometer, the column of the mercury column to be vertical and horizontal; 5, pay attention to the elasticity of the cuff, the cuff in the binding of the upper arm, the elasticity to the cuff can be stretched inside a finger to two fingers appropriate, not too tight and not too loose; 6, measuring Blood pressure inflation stethoscope to hear the sound and then inflate 10-20mmHg, deflation should be uniform, from none to the first sound for the systolic pressure, that is, high pressure, to the last from there to the last sound is low pressure.