In patients with hypertension combined with myocardial infarction, there are two preferred antihypertensive drugs: 1. for ACEI class drugs; 2. for beta-blocker drugs. the main representative drugs of ACEI class are captopril and rilenapril, which have the following two main benefits: 1. to lower blood pressure; 2. to slow down the progression of heart failure after myocardial infarction. However, the most common adverse effect of this drug is a severe dry cough. If a patient develops a dry cough while taking this drug, it can be replaced with an ARB class of antihypertensive drugs, the main representatives of these drugs are Irbesartan and Valsartan, which have the same effect and role as ACEI class, and there is no adverse reaction dry cough. beta-blockers are also commonly used in hypertension combined with heart attack, the main representatives of the drugs are Bisoprolol and Metoprolol Succinate, which are mainly used to Reduce sympathetic excitability and slow down the progression of heart failure after myocardial infarction. Therefore, these two classes of drugs are preferred for hypertension combined with myocardial infarction ACEI class, or ARB class with the application of beta-blockers.