Abstract: Aim To discuss the implementation of event model,active rules and association of rules in active object oriented DBMS AOODBMS Methods On the basis of existing object oriented system O2DB,artificial intelligence technology and object oriented technology are applied to implement active rule mechanisms Results Probing of events and mechanism of rule deductor are realized Conclusion Combination of object oriented technology and AI technology provides an effective way of developing active rule system,and the ability of representing knowledge of active rules thereby improved