Electronic sphygmomanometer standardized operation of the most accurate measurement. Electronic sphygmomanometer has become the main tool for family self-measurement of blood pressure, in order to use electronic sphygmomanometer to accurately measure blood pressure, attention should be paid to the preparation before the measurement of blood pressure, measurement of blood pressure posture, measurement of blood pressure process in several aspects. 1. Preparation before blood pressure measurement: avoid exertion, emotional excitement, strenuous activities, smoking, holding urine, drinking strong tea or coffee, etc., within half an hour before blood pressure measurement. 2. Pressure measurement posture: It is recommended to measure in a sitting position, with the examinee’s elbow placed at the same level as the heart. 3. Pressure measurement process: The patient is asked to relax, and the cuff of the electronic sphygmomanometer is placed about 2.5cm above the elbow for measurement. Measurement is repeated after 2 minutes of rest, and the average value is taken after 2-3 measurements. It is recommended to adopt the same posture and the same side of the arm for each measurement. If there is any big fluctuation or discomfort in the home blood pressure measurement, you should consult a doctor immediately and take treatment according to the doctor’s advice to avoid delaying the condition.