With the advent of digitization, people rely more on high-speed data transmission and rich application experience for communication service. The digital transformation has been the key for operator to upgrade service level and user experience. In terms of network infrastructure upgrading, the operator industry is actively boosting the construction of 5G network, establishing powerful data analysis competence to understand user demand and behavior pattern by secure collection and analysis of massive user behavior data, adopting artificial intelligence and machine learning technology to achieve personalized recommendation, precision marketing and resource optimization, so as to supply more intelligent services.