IT intensive construction and strengthening it empowerment are the main lines of the Group's informatization work. In this way, on one hand, we need to strengthen the core competence of CBSS and improve the support efficiency; on the other hand, it is necessary to accelerate the transition from BSS to CBSS, which puts forward higher standards and requirements for the network construction and management ability of mobile enterprises. According to the existing research data, taking the implementation of Guangdong Unicom's relocation to CBSS as an example, this paper analyzes and studies on the implementation process of "data + capability" IT management mode, and expounds the specific technical scheme and its innovation. Through the research, we hope to providesome help and enlightenment for other mobile communication enterprises in the user migration maintenance and development innovation.