Based on the investigation of the energy consumption and energy management in 44 large scales of store buildings in Chongqing, the energy management system is classificated in 4 level ,the problem in energy management and its cause are analyzed. A follow-up survey of some buildings was carried out. At last, the relations between level of store building energy management and its energy consumption are researched. The paper concludes that, whether energy-saving technologies or improved management measures can reduce building energy consumption, and contract energy management may provide a new model for store buildings.