With the popularity of IT technology, the problem of IT service quality is becoming more and more cause the attention of the relevant customer, at the same time, the user demand for with the IT service quality are also improved. Customer service as a direct user-oriented service organization, must correspondingly enhance their professional skills and optimize management system to gradually achieve discovered by passive user problem, again into the request itself can take the initiative to found the problem, in the process throughout the entire process of IT service management, improve the efficiency of operational management, ensure the company's IT service system is reliable, stable and efficient operation, this paper combined with the existing of the service work system, from two aspects of system of prevention and to explore the method of how to improve the quality of the user IT service.