The antihypertensive drugs for diabetic patients with hypertension are angiotensin-converting enzyme inhibitors, and angiotensin II receptor antagonists. 1. Angiotensin-converting enzyme inhibitors include captopril and benadryl; they have the effect of improving insulin resistance and reducing urinary protein, and have better efficacy in patients with diabetes mellitus combined with hypertension. Adverse effects are mainly irritating dry cough and angioedema. Hyperkalemia, pregnant women and patients with bilateral renal artery stenosis are contraindicated. 2. Angiotensin II receptor antagonist drugs are: chlorosartan, valsartan; antihypertensive effect is slow, but durable and smooth, low-salt diet can significantly increase the efficacy. The dose increases, the antihypertensive effect is enhanced, the therapeutic dose range is wide, the most important feature is that there are fewer adverse reactions directly related to the drug, usually does not cause irritating dry cough, and the compliance of continuous treatment is high. Contraindications are the same as for the above drugs. The above drugs have adverse reactions, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.