Combining with relevant design norms, it introduces the selection of lamp tube and ballast in building energy conservation, and ex- plores the economic benefit realization through reducing energy consumption in practical engineering, with a view to strengthen people＇ s energy- saving consciousness and promotes its application of green energy-saving technology in intelligent buildings.%结合相关设计规范，通过介绍建筑节能中灯管、镇流器的选择，对工程实际中降低能耗实现经济效益进行了探讨，旨在增强人们的照明节能意识，以期促进绿色节能技术在智能建筑中的推广应用。
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