Professor Cao Hui, as the project leader, has undertaken the major fund-supported project 1 of Shanghai Science and Technology Commission, 2 projects funded by Shanghai Science and Technology Commission, the fund for returned overseas students of State Education Commission 1, the key scientific research fund of Yan Chai Hospital 1, the national high-tech research and development plan (863 plan) and the sub-project leader of Shanghai emerging frontier technology joint research project. As the second and third undertaker, he participated in many scientific research projects such as the National Natural Science Foundation, the international cooperation project of the Ministry of Science and Technology, and the Shanghai Excellent Academic Leaders Program. More than 70 papers were published, most of which were published in Chinese series magazines and core journals, among which 5 were included in SCI (4 were included by the first author) and participated in the compilation of several surgical monographs. Guide and train 2 doctoral students and 4 master students/kloc-0; Assist in training 4 doctoral students and more master students. In 2004. In 2005, it was advanced in hospital teaching for two consecutive years, and advanced in hospital scientific research from 0/kloc-0 to 2004.