Abstract: University testing center is a strong support for university education and scientific research, and also one of the important index for evaluating the comprehensive strength of a university. The CMA application work process is complicated and requires rigorous logic. This paper, from the perspective of front-line inspectors, systematically elaborates the work that needs to be done in the process of CMA application. Combining the existing resources of testing center to find out an effective way to improve the level of testing management, enhance the laboratory capacity, promote the development of laboratory construction and management reform. It also can provide valuable references for related organizations and personnel.