针对某棉纺厂车间温湿度监控系统内MCGS组态软件与智能温湿度检测仪表的通信问题，利用()1E自动化技术解决了第三方设备与MCGS软件相互通信的问题，间接扩展了MCGS设备驱动程序库。这种扩展驱动程序库的方法具有通用性，有一定的推广价值。关键词 OLE 自动化 组态软件 实时 数据库Abstract Aiming at the issue of communication between MCGS configuration software and intelligent instnrnentation of temperature and humidity in a cotton mil,using OLE automation technology, the problem of communication between MCGS configuration software and thirdparty devices is resolved. The program library of equipment drivers is also extended indirec.The way to extend the library is generalized and worth being popularized.Keywords OLEa utomation Configurations oftware Real，time database.