Some hypertensive patients are worried about the adverse reactions of drugs, so they are reluctant to take drugs for a long time, and they are afraid to take drugs if they have adverse reactions when they read the drug instructions, and they stop taking drugs and change drugs when they have adverse reactions. These practices are inappropriate, hypertension patients should be how to correctly look at the adverse reactions caused by hypertension drugs? Any kind of antihypertensive drugs may not be tolerated by individual patients. The adverse reactions listed on the drug instructions are a summary of various adverse reactions found in long-term clinical observation, accounting for only 1-5%, and not every patient will occur after using the drug; some adverse reactions that are not called serious will only occur under specific conditions. For example: beta-blockers only in asthmatic people will induce asthma attacks, in the general population will not appear asthma adverse reactions to antihypertensive drugs are reversible, adverse reactions can gradually disappear after discontinuation of the drug. For example, ankle edema can occur with long-term calcium antagonists; cough can occur in some patients taking ACEI/ARB drugs; however, these adverse reactions are tolerable and reversible, and some of them can be offset by the combination of drugs. The benefits of antihypertensive drugs are very clear, and the incidence of adverse drug reactions is low and mild, as long as the drugs are used under the guidance of a doctor, they are generally safe and can be used for a long time.