A sudden rise in blood pressure to 200mmHg is not normal and requires prompt antihypertensive treatment. Normal blood pressure should be less than 140mmHg systolic, diastolic pressure should be less than 90mmHg, beyond this range is considered to be hypertension. For blood pressure suddenly rises to more than 200mmHg is not a normal performance, general people in the emotional situation may also appear blood pressure, but usually not in a short period of time to reach this level, this is likely to be secondary to renal artery stenosis, primary aldosteronism, pheochromocytoma and other diseases secondary to high blood pressure. In addition, blood pressure over 200mmHg is dangerous for the patient, and it is very likely to have dizziness, vertigo, headache, palpitations, chest tightness, dyspnea, blurred vision and other manifestations of hypertensive emergencies, and it is very likely to have strokes, hypertensive encephalopathy, acute heart failure and other target organ damage. It is recommended to go to the hospital for antihypertensive treatment in time.