In the electronic commerce the research and design of prestige modelThis text aims at the safety problem that the P2 P network trades in the electronic commerce, put forward to have the initiative to gather trust model to classified into common node and high prestige node(DO not cheat behavioral node) to all nodes, and respectively constitute to gather.Circulate of every time trade medium, the source node is to the target node carry on a prestige search combine basis prestige calculation result decision whether trade.In have the initiative gather the trust model, only the target node just needs to carry on check of prestige to seek a calculation in the common node gather;The target node don't need a prestige calculation when the high prestige node gather, can directly carry on bargain.So resolve electronic commerce in of trade a safe problem. Aim at another each node various behavior in the bargain, we as to it's can carry on the evaluation of satisfaction, and the hurl tell.This text with Microsoft SQL Sever 2000 Be a backstage database, with JBuilder 9.0 Be develop terrace, used the Java sketch interface plait distance language to carry out prestige an evaluation system, main completion to tell evaluation and hurl of node satisfaction.