本文主要对电梯安全器的自动检测系统作了的研究，包括安全器检测的硬件设计和软件原理。硬件部分描述了硬件的整体结构，软件部分分析了安全器主要技术参数的计算方法和编程流程。关键词：电梯; 电梯安全器; 检测Abstract：This article researches mostly on how to detect the brake of elevator using computer technique, include the hardware design and the theory of software on detecting. The hardware design focus on it’s framework. The software-part analyses the idea and program about how to get the parameter of the brake of elevator.Key words：Elevator; Brake of Elevator; Detection