In general, occasionally systolic blood pressure 116mmHg, diastolic blood pressure 56mmHg can be seen in the normal situation, do not need to do special treatment, but the blood pressure is persistently lower than 90/60mmHg, it is suspected that the low blood pressure is not normal, and you need to go to the hospital in time for examination. In general, in clinical work will be less than 90/60mmHg people diagnosed as low blood pressure, but not a blood pressure measurement below this value can be diagnosed. Because blood pressure is dynamic change, people in different times of the day, different seasons, different physiological cycle of blood pressure fluctuations, which is related to the body’s physiological rhythms. If a single measurement of systolic blood pressure is 56mmHg, there is no need to do special treatment; if the patient’s systolic blood pressure continues to be <60mmHg or progressive reduction or even discomfort symptoms, you should consult a doctor in a timely manner, to look for the cause of the decrease in blood pressure, standardized treatment.