Normal systolic blood pressure in adults is between 90-120mmHg, diastolic blood pressure is 60-90mmHg, the ideal blood pressure is diastolic blood pressure of 70mmHg, systolic blood pressure of 110mmHg, with the growth of age, the basic blood pressure will be appropriately increased is normal, should not exceed the normal range. In the clinic, the systolic blood pressure of about 60 old people is about 130mmHg, the diastolic blood pressure is 85mmHg, without any clinical symptom is normal, the age of about 70 old people’s systolic blood pressure is 140mmHg, the diastolic blood pressure is 90mmHg, not accompanied by any clinical manifestation is also normal, do not need to control the blood pressure. If the baseline blood pressure is low and increases by 10mmHg with age, accompanied by symptoms of headache and dizziness, it is considered abnormal hypertension and follow-up testing is recommended.