A method achieving united processing of a mobile phone comprises steps as below: a user installs client terminal software on a mobile terminal; achieving operations like number binding and establishing an account simply with pressing of one key and the like, and a cloud server carries out functional configuration to the client terminal software; achieving setting and management of a personal address book, a personal white list, a personal black list, contextual models, and harassment prevention; the cloud server carries out united controlling and processing of the calling process of the incoming calls of the user according to a set calling processing scheme and a calling process of an incoming call. The system achieving the united processing of the mobile phone comprises a subsystem of an intelligent network, an independent peripheral platform, a cloud server, and client terminal software, wherein the cloud server comprises a mobile terminal access service subsystem and a management and data-analyzing server subsystem. The method and the system achieving the united processing of the mobile phone achieve united processing functions of harassment prevention, disturb prevention, call transfer, a voice mail, a secretary station and the like.