Systolic blood pressure of 106 mmHg and diastolic blood pressure of 56 mmHg are basically within the normal range. normal adult blood pressure is 90-140 mmHg systolic and 60-90 mmHg diastolic. measured blood pressure diastolic blood pressure of 56 mmHg is slightly lower than normal, this situation is more common in young women or not eating regularly, and long-term late night and other reasons caused by diastolic blood pressure slightly lower than normal. The diastolic blood pressure is slightly below normal. If there are no clinical symptoms, it usually does not affect normal life and work, but frequent blood pressure measurements are required. If accompanied by clinical symptoms such as dizziness and weakness, it is necessary to go to the hospital for other examinations to find the cause of hypotension and make adjustments under the guidance of a doctor.