Zheng Yi has a wide range of research fields, including the protection of basic legal rights, the principles of administrative law, the principles of ethnic law and ethnic legal issues, the rule of law in the relationship between the central and local governments, and the education legal system. Since 2008, he has participated in the preparation of various teaching materials and many works; Participated in more than ten key and general projects of the National Social Science Fund, ministerial projects of the Ministry of Education and the State Ethnic Affairs Commission, 985 projects, 2 1 1 projects and horizontal entrusted legislative projects, and won many awards from relevant departments in china law society and Beijing. Attended dozens of academic conferences and forums and won many excellent thesis awards. Nearly 30 academic papers have been published in Law Journal, Guizhou Ethnic Studies, Guangxi Ethnic Studies, Xue Hai, China Book Review, Journal of Minzu University of China and other comprehensive journals, many of which have been reprinted by NPC Copy and People's Politics. He has published many academic papers in Chaoyang Law Review and Public Law Research. He has published nearly ten legal commentaries in the newspapers such as Lookout, China Trial, Legal Daily, Procuratorate Daily and People's Court Daily. Established a collection of essays on Peking University Legal Information Network and Legal Blog, and published nearly 60 papers, comments and essays, which have been repeatedly learned by Peking University Public Law Network, China Constitution Network, China Law Network, china law society Network, China Civil and Commercial Law Network, China Criminal Law Network, International Economic Law Network, China Election and Governance Network, People's Congress and Parliamentary Research Network, Chinese People's Legal System Network, Xinhua Network, Phoenix Network, China Network, Guangming Network, World Wide Web and other academic networks. Up to now, more than one million words have been published through various channels.