Low pressure of 98mmHg is not normal, belongs to the mild high blood pressure, generally can first improve the examination in order to confirm the diagnosis, and then take lifestyle adjustment, drug treatment and other methods. The normal range of blood pressure should be systolic blood pressure 90-140mmHg, diastolic blood pressure 60-90mmHg, low pressure is also diastolic blood pressure measured 98mmHg higher than the normal range, but if only a single measurement of blood pressure for a single day, can not be identified as hypertension, generally need to be in the non-same day in the three times the measurement of blood pressure are systolic or diastolic blood pressure is higher than the normal blood pressure value of the situation before you can be confirmed for the diagnosis of hypertension. Hypertension. If it is determined that the low pressure is 98mmHg and the high pressure is normal, it is generally necessary to adjust the lifestyle such as adopting a low-salt and low-fat diet, reasonable exercise, maintaining a positive and sunny mentality, etc., and also can be given nifedipine and other blood pressure-lowering drugs after the physician’s assessment of the situation for treatment.