The Department of Radiology of Drum Tower Hospital affiliated to Medical School of Nanjing University is a key subject of medical imaging in Jiangsu Nanjing.It’s a national training base for MRI physicians and technicians of Philips company in the Netherlands. It is also one of the largest imaging center in east China. The key international cooperation projects of the national natural science foundation of China is the national "One Belt And One Road" demonstration project, which is highly innovative and has reached the leading level in China.