In this paper

we mainly analyze the reasons of non 4G customers without turning 4G based on network complaints. By integrating Zhongshan city’s 4 million of magnitude of customer data resources in the network

we analyze through multi-dimensional perspective such as the users distribution

complaint hotarea

network status and users’ traffic

combined with SQL database and large data mining tools to carry out data modeling and analysis. Therefore

we can carry out in-depth excavation to find the problems of non 4G customers encountered in using our network service

so we can locate the target users to comply targeted marketing. Furthermore

we can enhance the user’ perception and trust in 4G network by initiative care or improving the network coverage. Relying on the results of this research

the network optimization department can works closely with the marketing department to promote the 4G network and prompt non 4G users to use mobile 4G networks.