CAN总线是一种灵活方便、可靠性好、通信速率高和价格低廉的现场总线 ,它不仅适用于生产过程控制 ,也适用于智能家居和小区管理 ,文章提出了利用CAN总线来实现家庭设备和家庭仪表之间的连接 ,完成数据传输和通信功能 ,并与小区管理系统相连 ,完成自动抄表和小区保安等管理功能 ,实现家居和小区的智能化管理 CAN bus is a kind of field bus which is flexible and convenient, has good reliability, high communication speed and low price. It is not only suitable for production process control, but also for smart home and community management. The article presents the use of CAN bus to realize home equipment and Family meter connection between the completion of data transmission and communication functions, and with the district management system connected to complete the automatic meter reading and cell security management functions to achieve intelligent home and community management