Message-Oriented Middleware(MOM) with Pub/Sub model is suitable for the information transmission of TT&C computer system for the advantage of fully information sharing, loosing coupling interconnects, many-to-many communication and flexible resources reorganization. This thesis introduces the basic concept of Pub/Sub model, analysis the characteristics of TT&C application.Priority it put forward the key technologies: Message model, Matching algorithm, Routing protocol and Redundancy virtualization strategy for establishing MOM with Pub/Sub model on TT&C compter system.