High blood pressure generally refers to systolic blood pressure and low blood pressure refers to diastolic blood pressure. Usually systolic blood pressure 178mmHg/diastolic blood pressure 102mmHg belongs to grade 2 hypertension, which is dangerous and needs to be treated with medication as prescribed by the doctor. The diastolic blood pressure of grade 2 hypertension is between 160~179mmHg/diastolic blood pressure 100~109mmHg, so the systolic blood pressure 178mmHg/diastolic blood pressure 102mmHg belongs to grade 2 hypertension. It is dangerous because the continuous elevation of blood pressure can easily induce cerebral hemorrhage, cerebral infarction and other diseases. High blood pressure also causes dizziness, nausea and vomiting, headache and other symptoms, thus affecting the quality of life and health, patients should pay attention to. For people with systolic blood pressure of 178mmHg/diastolic blood pressure of 102mmHg, they can be treated with diuretics such as furosemide and hydrochlorothiazide, and calcium channel blockers such as nifedipine and verapamil as prescribed by the doctor. It is recommended that people with systolic blood pressure of 178mmHg/diastolic blood pressure of 102mmHg should be treated with medication as prescribed by the doctor, and the changes in blood pressure should be closely monitored on a daily basis, as well as attention should be paid to the reasonableness of the diet, and appropriate physical exercise.