Major research projects, Tenth Five-Year National Science and Technology Key Projects, National Postdoctoral Fund Projects, Henan Natural Science Fund and many other scientific research projects. In the field of cryptography research, there are important achievements in the fields of digital signature, blind digital signature and multi-user digital signature with automatic recovery characteristics, and the research achievements have been recognized by international and domestic experts. In terms of international cooperation, we have long-term cooperative relations with the Computer Department of the University of Hong Kong and the Computer Department of the University of Maryland. The project "Research and Implementation of Multi-user Digital Signature" jointly applied by professors from the University of Hong Kong was funded by RGC, a Hong Kong government fund. Editor-in-chief of the textbook "Computer Culture Basis" in colleges and universities, and participant in the teaching and research book "Electronic Commerce Payment Technology". He has published more than 60 academic papers in well-known international and domestic academic journals and conferences such as IEEE, IEE, IPL, Journal of Electronics and Journal of Communication, and many of them have been included by SCI, EI and ISTP. The article "Improved Authentication Key Exchange Protocol" was awarded the second prize as an excellent paper of China Postdoctoral Academic Conference.