氨氯地平（Amlodpine，Aml）系第3代双氢毗院类钙通道阻滞剂，口眼吸收完全且缓慢，生物利用度高（60％～65％），血液中峰值6～12小时，不良反应少，清除半衰期为35～50小时，故每日服药一次，即能保持24小时的有效血浓度。本文对30例老年高血压病人用Aml治疗，并用24小时动态 Amlodipine (Amlodipine, Aml) is the third generation of dihydropalcium-type calcium channel blockers, oral absorption completely and slowly, high bioavailability (60% to 65%), the peak blood 6 to 12 hours, Adverse reactions, elimination half-life of 35 to 50 hours, so once daily medication, that is, to maintain a 24-hour effective blood concentration. In this paper, 30 elderly hypertensive patients with Aml treatment, and with 24-hour dynamic