Aim To investigate the effect of telmisartan and amlodipine on improving the artery stiffness in type 2 diabetics mellitus patients with hypertension. Methods Type 2 diabetics mellitus patients with primary hypertension were randomly assigned to telmisartan （4 mg each day） and amlodipine （5 mg each day） regimen for 6 months （n＝36）.