This paper proposes a novel scheme to filter junk messages effectively, i.

This paper analyzes a junk message filtering system based on the minimum risk Bayesian filtering algorithm,adopts Information Gain(IG) to select the feature,uses the minimum risk-based Bayesian filtering algorithm to classify.

So far there are no good methods available for preventing and managing the junk message.

Identifying and Tracebacking Short Message Spam;

An analysis of SPAM s management by double dimension method;

At present,the discussion on problem of the garbage massage mainly focuses on the harms to the users of the mobile phone,and based on this people hold that this problem should be solved through the supervisory control of the operators and the legislation,but nobody makes systematic investigation and research on the problem of the garbage massage from a more macroscopic level.