Normal blood pressure, such as young adults for the high pressure, that is, systolic blood pressure is less than 140mmHg, greater than 100mmHg. low pressure, that is, diastolic blood pressure is less than 90mmHg and greater than 60mmHg. If the crowd of more than 50 years of age belongs to the elderly, the blood pressure may be lower than that of the young adults to be, the general more than 50 years of age of people with high blood pressure in the high blood pressure of about 120-130mmHg, the low blood pressure in the 70-80mmHg. Normal blood pressure for people in their 50s is around 120-130mmHg for high pressure and 70-80mmHg for low pressure. Once the situation of high or low blood pressure occurs, you need to actively go to the hospital for auxiliary examination to determine the situation of blood pressure fluctuation through the examination. No medication or other treatment is needed. In conclusion, the normal blood pressure for adults should be <140/90mmHg.