Agent　Negotiation　based　on　persuasion　can　improve　negotiation　efficiency　in　dynamic　environment　and　guarantee　its　effect.　Word-Of-Mouth　and　its　dissemination　can　strengthen　the　effect　of　persuasion.　The　concept　of　influence　of　dissemination　of　Word-Of-Mouth　and　the　persuasion　model　of　agent　based　on　it　is　illustrated.　Corresponding　Mechanism　including　creation　and　evaluation　is　also　illustrated,　which　is　based　on　the　quantization　of　influence　of　dissemination　of　Word-Of-Mouth.　And　finally　elaborate　and　verify　it　through　the　computation　example　and　corresponding　system　development　of　agent.　©　2010　IEEE.