Abstract: The realize of a developing pattern's designing and developing,which is based of EJB, has resolve the storage problem of object,and comparing with the same type of product,it has serveral advantages,such as easy manipulate,simple structure and it makes the develop of using EJB more transparency to programmer, so it could make the developing easier.This paper also present a method to solve the problem of O/R Mapping.PERO is not an new frame of EJB,but an frame based_on EJB.