Rubbish short message recognition system and method based on sending behavior

The invention relates to a spam short message identification system and a method for the same based on the sending behavior. The method comprises: judging the type of the doubtful short message according to the hashed value, the length of the short message, and the amount of the short message having the same hashed value; recording the calling number that sends the short message according to the short message that belongs to the doubtful one, or, undergoing treatment respectively according to whether the calling number appears for the first time; if the amount of the short message of the type of the doubtful short message is accorded with the preset value, acquiring all the calling numbers associated with the type of the doubtful short message; if the difference between the amount of the different hashed value associated with all the calling numbers and the amount of the calling number is not greater than the preset value, the doubtful short message is spam short message. The invention can ensure that the spam short message received by the short message centre can be identified efficiently with real time, and implement real-time interception for the spam short message.