| With the constant development of information technology and means, all industries are increasing input in informatization so as to improve business operational efficiency and quality through advanced information technology. However, investment in IT often fails to produce expected profits and rewards. Of all the reasons for this, weakness and lack of service management awareness and ability play a very important role. The paper takes the example of CCTV ITSM system project. Based on practical conditions of the entrepreneur, the paper proposes the solution on how to use ITSM system to implement and spread IT service management, realize the function shift of a traditional IT department from technology management to service management, enhance efficiency and quality of inner IT service management of the entrepreneur, and then utilize IT technology and means to serve business development strategy better and push business forward constantly.CCTV ITSM system is a service management software platform for CCTV, with ITIL as its theoretical basis. The paper first introduces the process of development and evolution of IT service management, and analyzes current business situation of CCTV IT technology departments. Then it discusses theories and methods of ITSM system construction, and according to actual business scenarios studies IT service management procedures including incident management, problem management, change management, and configuration management. After that, the paper proposes the design of physical and logical architecture of ITSM system and the method of integrating with other application systems. Finally, the pape r talks about the customization and implementation of IT service management proced ures based on the Remedy of IT service management suite of BMC Software.The paper, following software engineering ideology, introduces the process of construction and implementation of ITSM system in detail in terms of demand analysis, system design, development and implementation, and proposes the construction scheme of IT service management system tools that applies to entrepreneurs. |