Appliances controlling and understanding of the appliances running state is an important part of the smart home system. The power line communication without wiring and signal radiation can realize smart home which featured by querying and controlling the appliances via wireless smart phones and PC clients. In addition,the applying of the system design is cleaning and not restricted by the network and the position,and is achievable for anytime query and control home appliances.%家电控制和了解家电运行状态是智能家居系统的重要组成部分，室内以电力线载波通信为基础实现了家庭环境中无布线问题、无信号辐射，且配合无线智能手机客户端和PC浏览器等多种查询和控制方式的智能家居系统设计，实现了不受地域限制，不受网络限制，随时随地查询和控制家电，且家庭内绿色无信号污染的智能家居管理系统。
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