Systolic blood pressure of 105mmHg, diastolic blood pressure of 80mmHg according to the blood pressure standard, is a normal phenomenon. Normal systolic blood pressure should be less than 120mmHg, and normal high value should be 120～139mmHg; normal diastolic blood pressure should be less than 80mmHg, and normal high value should be 80～89mmHg. Systolic blood pressure of 105mmHg, diastolic blood pressure of 80mmHg according to the standard of blood pressure is a normal blood pressure. Blood pressure can fluctuate up and down due to personal constitution, as long as it is within the normal range and not accompanied by other symptoms, it is generally a normal phenomenon. When measuring blood pressure, it should be measured in half an hour under the condition of no smoking, no coffee, empty bladder, and in a quiet state, and the cuff should be flush with the heart area, and it is better to measure it under the guidance of a professional doctor, which is more accurate and easier to observe.