This paper focuses on the development of the mobile data business. From the perspective of ecosystem, this paper analyzes mobile data business industry network. First, the paper defines the industry ecosystem, and then makes analysis on the principles of the value increase in the industry ecosystem. This paper establishes the analysis model of customer needs of the mobile data business on the basis of efficient running of customer resources and classifies customer needs according to service targets. Finally, this paper gives suggestion on how to establish a digital ecosystem in which mobile operators are core companies, and network equipment providers, System Integration Groups, ICP and SPs, fictitious operators and customers are all participants.