At present, the most common antihypertensive drugs that cause cough are angiotensin-converting enzyme inhibitors, and the representative drugs are benazepril, fosinopril and perindopril. Although these drugs may cause a persistent dry cough, the cough will gradually disappear after stopping the drug, and there are not many adverse reactions to this drug. In addition to angiotensin-converting enzyme inhibitors, which can trigger a cough. Angiotensin II receptor antagonists, in the process of taking them, may also cause cough, but the chance of occurrence is much lower than angiotensin-converting enzyme inhibitors, and the representative drugs are telmisartan, irbesartan, and crosartan, etc. The cough symptoms can gradually disappear after stopping the drug.