Recognizing method and system for multimedia message

The invention provides an identification method of a multimedia message and a system. The identification method comprises the following steps: the multimedia message to be identified is received, and the characteristic information of the multimedia message to be identified on all media classes is extracted to respectively generate characteristic information vectors corresponding to each media class; whether the difference value between the characteristic information vector of at least one media class in the multimedia message to be identified and the characteristic information vector of the corresponding media class in a designated multimedia message is in the preset deviation range; and if the difference value is in the preset deviation range, the multimedia message to be identified is determined to be the designated multimedia message. The identification method and the system can expand the user scale and the multimedia message transmission amount in a large-scale manner.