Low blood pressure of 102mmHg is more serious, and the onset of the disease can cause headache, dizziness and other manifestations. If the blood pressure is not actively controlled, it can cause hypertensive heart disease and so on for a long time. The standard of grade 2 hypertension is: systolic blood pressure 160~179mmHg, and/or diastolic blood pressure 100~109mmHg. And low pressure 102mmHg, i.e. diastolic blood pressure 102mmHg reaches the standard of grade 2 hypertension, which is more serious. After the onset of the disease, patients may show symptoms such as headache, dizziness, nausea, vomiting and insomnia. Early in the disease, headache, dizziness, chest tightness and other symptoms, some patients may also have difficulty breathing, lower limb edema, at this time suggests that the condition has been more serious. Patients need to improve the lifestyle under the guidance of the doctor, maintain a low-salt and low-fat diet. At the same time, follow the doctor’s instructions to take antihypertensive drugs, such as metoprolol, nifedipine, etc. for treatment. Low blood pressure 102mmHg, it is recommended to go to the hospital, under the guidance of the doctor, using appropriate methods to control blood pressure.