High pressure is also known as systolic blood pressure, its standard range is 90-120mmHg, the normal high value is 120-139mmHg. If you want to clarify whether the patient currently has abnormal systolic blood pressure, you can not determine that the patient is hypertensive by just one measurement, it is recommended that the patient should be measured three times on different days, or directly do ambulatory blood pressure monitoring, which is also one of the most used in the clinic to confirm the diagnosis of hypertension This is the most commonly used clinical tool to confirm hypertension. If there is indeed an abnormality, further relevant tests should be performed to clarify whether it is primary hypertension or secondary hypertension.