Blood pressure 120/80mmHg is normal, indicating that the blood pressure is in the normal range, or through antihypertensive drug treatment after good blood pressure control, China’s standard for the definition of normal blood pressure is less than 120/80mmHg. If the patient’s blood pressure is between 120/80-140/90mmHg, it is the high value of normal blood pressure, and is currently considered normal blood pressure, blood pressure greater than 140/ 90mmHg is considered hypertension. In ordinary life, we should pay attention to monitoring blood pressure, adults are recommended to measure blood pressure once a year, while men older than 45 years old and women after menopause need more frequent monitoring to prevent the emergence of hypertension, ordinary life should pay attention to lifestyle interventions, weight control, quit smoking and limit alcohol to prevent the emergence of hypertension.