Ya Li, male, born in 1990, doctor of engineering, lecturer, is now a full-time researcher of Desert Ecology Research Institute of Chongqing Jiaotong University. His research interests include fracture mechanics, road and bridge structure, and desert ecological restoration. As the first author (or the first author of the tutor), he has published two SCI papers and two Chinese core papers. In addition, he has participated in the research of desert "soilization" ecological restoration technology, and relevant papers have been published in Science in China, the journal of Chinese Academy of Sciences, and Engineering, the journal of Chinese Academy of Engineering. At the same time, it has obtained 2 authorized patents and participated in 1 National Natural Science Foundation of China. As the team leader, he won the gold award and national silver award in Chongqing Division of the fourth China "Internet +" College Students Innovation and Entrepreneurship Competition in 2018, the first prize of the 2020 China Industry-University-Research Cooperation Innovation Achievement Award as a team member, and the personal title of "Chongqing Upward and Good Youth" in 2020.