A low pressure of 50mmHg and a high pressure of 100mmHg is not normal, low pressure is diastolic pressure and high pressure is systolic pressure. The normal range of blood pressure for normal people is 90-140mmHg systolic pressure, diastolic pressure between 60-90mmHg. A systolic blood pressure greater than 140 mmHg and/or a diastolic blood pressure greater than 90 mmHg is considered high blood pressure. A systolic blood pressure of less than 90 mmHg and a diastolic blood pressure of less than 60 mmHg is classified as hypotension. A low blood pressure of 50 mmHg and a high blood pressure of 100 mmHg is considered low blood pressure. The common cause of low blood pressure can be seen in young women who lack exercise, and the blood pressure is often below 90/60mmHg, but there is no symptom of low blood pressure, and no need to do any treatment. It is recommended to increase physical exercise in general, appropriate high salt diet, increase nutrition, and try to raise the blood pressure to within the normal range. If the blood pressure is normally normal, and there is a low pressure of 50mmHg, and accompanied by dizziness, lightheadedness, blurred vision and other symptoms of low blood pressure, it is recommended to appropriately increase the intake of salt, you can drink light saline to elevate the blood pressure, and to go to the hospital in a timely manner for medical treatment, to find out the causes of low blood pressure.