Blood pressure 190mmhg is dangerous, clinically high pressure 190 means systolic blood pressure reaches 190mmhg, which is a very dangerous value, it is very likely to sudden cardiovascular and cerebrovascular accidents, and need to seek immediate medical treatment. According to the hypertension risk stratification criteria, non-same day three times, the systolic blood pressure is greater than or equal to 180mmhg and/or diastolic blood pressure is greater than or equal to 110mmhg, diagnosed as hypertension class 3, if at the same time combined with other cardiovascular risk factors, such as smoking, abdominal obesity, LDL increased, or with diabetes mellitus, or with cardio-cerebral and renal damage to the target organs, it belongs to the very high-risk group. When blood pressure reaches the very high risk group, the risk of cardiovascular and cerebrovascular accidents such as infarction, aortic dissection, and heart attack is very high, and immediate medical attention and symptomatic treatment are required; if treatment is not timely, the patient may even experience sudden death. When blood pressure is found to be as high as 190mmhg, immediate medical attention should be sought to avoid delaying the condition and leading to serious consequences.