Modern Analysis Center of Nanjing University was established in 1983. It is a platform with scientific and technological conditions to provide analysis and testing services for the teaching and scientific research work of Nanjing University, and also a research center and postgraduate training center for analysis and testing technologies and methods. The establishment of the analysis center promotes the resource sharing and interdisciplinary research of large instruments, and also provides a good experimental base for cultivating high-level talents. At the same time, it is open to the society and actively contributes to local economic construction.