With the arrival of large data and cloud computing era, the service management of power enterprises needs to reduce the experience of management, will transfer more energy into the data value mining and utilization, so that data?driven decision?making, improve enterprise management efficiency.At the same time, customer?oriented service awareness increased, 95598 customer demands information increasingly attention, in the face of growing data and services to enhance the upward pressure on the provincial customer service center business analysis model and management methods put forward higher requirements.This paper presents an innovative approach to service management in the era of large data.The introduction of technological innovation and management innovation has achieved remarkable results in terms of power failure response, index quality control and normal mode of operation.