The invention discloses a system and method for implementing regular system triggering. The system comprises: a business system with a business module and a connected affair processor that links to a list module for trigger affair type to receive and filter trigger affair, and a connected rule system. Wherein, the rule trigger method comprises: auto adding affair report code when loading module, deciding whether a trigger affair; if yes, sending to rule system. This invention has advantages that people have no need to understand the business rules in system development phase and repeatedly developing and defining the rules, and the business rules are easy to be modified and can realize the immediate response for the change of the rule parameter; the invention also have no need to write the event sending code by hand, therefore reducing the work load and the system request, and separating business and rule systems.