Purchaseprocessisanimportantpartintheprocessofrunninganenterprise.Forreengineeringtheprocessof'enterprise,raisebusinessefficiencyofenterprise,makeenterprisecompetitiveamongcomplicatedandchangeablemarketenvironment.Usethemethodofplanningtoevaluatethetechnologymodelingandmethodtosetupevaluationindex,basedonthebasicprinciplebusinessprocessreengineering,studiedthemethodsofmodelingandevaluatingofthereengineeringofthepurchaseprocess.Giventheintactmethodofmodelingprocess.Givethemathematicsexpressmethodandfigureexpressmethodoftheprocess,proposeusingPTreducingratetoevaluatetheeffectoftheprocessreengineer,andhasanalysedthreekindsofsituationsthataffectthereducingrateofPT.
