When hypertension occurs in hypertensive patients, it is recommended to discontinue antihypertensive drugs. If the blood pressure is very low, below 90/60 mmHg, it is recommended to go to the hospital for rehydration treatment, and if the effect of rehydration is not good, it is necessary to give dopamine and other antihypertensive drugs for treatment. It is also necessary to be alert to the appearance of acute myocardial infarction, because hypertension can cause atherosclerosis, leading to coronary heart disease, angina pectoris and acute myocardial infarction, when complicated by acute myocardial infarction, there can be a decrease in the ejection fraction of the heart, thus causing hypotension, so patients need to go to the hospital in a timely manner for electrocardiogram, cardiac ultrasound, infarction three examinations to clarify the diagnosis, if there is a combined myocardial infarction, hospitalization is required If there is a combined myocardial infarction, hospitalization is required.