Picture classification system and method

The invention discloses a picture classification system applied in communication devices, comprising a setting module, an extracting module, a characteristic identification module and a classifying module, wherein, the setting module is used for setting the class of a picture and the storing position of different classes of pictures and is used for defining the basic characteristics of the picture and setting characteristic correspondence ratio; the extracting module utilizes synchronize multimedia integration language to decode the received MMS and extracts pictures contained in the MMS; the characteristic identification module is used for indentifying the characteristic of the picture; an indentified characteristic is compared with the set basic characteristic, if the correspondence degree of indentified characteristic with one of the basic characteristics reaches a preset characteristic correspondence ratio, the class to which the basic characteristic belongs is confirmed to be the class to which the extra