The rapid development of big data and cloud computing technology, and the application of video, image, WeChat, mobile payment and other new business have brought the rapid growth of data business, resulting in the exponential growth of the scale and total energy consumption of domestic IDC. The current IDC power consumption in China has accounted for 2% of the total social power consumption or 10% of the total building energy consumption in China. Energy consumption and maintenance issues are restricting the development of the era of big data, and it is necessary to reform the IDC power supply concept.