Abstract：
In the premise of the green environmental protection and sustainable development, energy-saving is being concerned, and roof energy consumption account for 8% to 10% in total energy consumption of building, which brooks no neglect in building energy saving. Combining problems in old building roof energy saving, and proposed roof energy saving transformation way which suits Handan district. Namely roofing add thermal insulation layer, flat change slope and roof greening, while the latter will become new direction of future roof energy saving transformation of Handan.
