The invention relates to an audio-video playing inquiry method for a mobile communication terminal based on a mobile grid, in particular to a mechanism which is used in the mobile communication terminal, uses the mobile grid as basis and carries out effective sorting on the mobile communication terminal according to a playing habit of a terminal user. A mobile terminal part adopts PDA of a pre-mounted WIN CE operating system and simultaneously pre-mounts client software of the grid. The mobile terminal is accessed to a grid WEB portal through wireless application based on a WAP protocol. A grid infrastructure part comprises a central server, a storage server, an information server and a digital media server and is provided with a GT4 software package. SS, IS and DMS can belong to different DOMAIN management domains respectively. The central server is realized through a high-performance server; the inside of the central server can realize service registration, management, binding and a series of service; the mobile terminal side is presented through a WEB portal form; and through the WEB portal, the user can access various grid service.