利用ＣＡＮ总线和C++技术，开发数字化小区信息发布系统，介绍了ＣＡＮ现场总线通信系统的软硬件结构，论述了数据交换原理，探讨了设计中的几个重要问题和设计思想。基于CAN 总线构建的数字化小区通信网络，实现了小区信息的动态管理，克服了以前电子广告牌形式的静态管理的缺陷，使得对信息的发布更加及时、高效，提高了工作效率。关键词：小区信息;信息发布;CAN 总线The Design and Realization of Digital Community Information Issuing System Ma Shi-xia, Li Ji-biao Dan, Zhai Hai-qing,Liu Dan (1.Henan Mechanic and Electric Engineering College, Xinxiang Henan 453002;2.Zhengzhou University, ZhouZheng Henan,450001) Abstract: Using CAN bus and the C++ technology to develop digital community information issuing system, the paper introduces the software and hardware structure of CAN field bus communication system, and elaborates the data exchange principle, then discusses several important problems and design thought in the design. The digital community communication network based on the CAN bus realizes the community information dynamic management, and overcomes the static state management’s flaw .The form causes the information issuing promptly and effectively, then enhances the working efficiency.Keywords: community information; information issuing; CAN bus