After the Preliminary investigation and the latedevelopment and test, the second-hand businesstransaction management system is developed and reachedthe pre-planning goal. It can be used to register, log in,check goods, buy goods, check personal store, checkorders and polyline charts etc. This system helps the usersto publish their products and buy their favorite products;the users' feedback is good.A CKNOWLEDGMENTThe work is Jilin Province Science and TechnologyAssociation project(NO:kx2017029).