Abstract: Relying on the mobile Internet,mobile digital library,as a modern digital library information service,came into being in the form of a brand new service,and has gradually met people's mobile digital reading needs.The author analyzes the history and status of mobile digital library development at home and abroad,reviews the current major mobile digital library service models,and introduces the service model construction of APP service WeChat.Accordingly some suggestions for construction are put forward,which has a certain reference value for the construction of mobile digital library.

Key words: mobile internet, digital library, mobile digital library, mobile phone library, services model