本文介绍了一种基于单片机AT89C52 的自行开发、构思新颖的 “Parkinson”药物药理反应测试仪的工作原理及软、硬件的设计与实现方法。关键词：单片机；Parkinson；红外探测Abstract：This paper introduces an original tester that \" Parkinson \" medicine pharmacology reacts based on the single chip microcomputer of AT89C52，along with its work principle and the design of software and hardware as well as its realization。Keywords: single chip microcomputer； Parkinson；infrared detection