How much is human blood pressure normal?

The normal range of blood pressure at rest is 90-139mmHg systolic and 60-89mmHg diastolic.

Blood pressure refers to the pressure caused by flowing blood on the blood vessel wall. The pressure of flowing blood on the blood vessel wall varies, but generally does not exceed or fall below the normal range. If the patient does not take medicine, the systolic blood pressure ≥140mmHg or diastolic blood pressure ≥90mmHg is considered hypertension, whereas if the systolic blood pressure