He has been engaged in teaching, scientific research and postgraduate guidance in criminal law, criminology, criminal investigation and other disciplines in Xiangtan University, Guangzhou University and Hunan Public Security College, and served as the director of the Academic Affairs Office and the director of the research room. Worked in the public security system 12 years, and was awarded the rank of third-class police Commissioner by the Ministry of Public Security; He presided over and participated in major international and domestic scientific research projects such as "Police Law Enforcement and Human Rights Protection", "Revision of Criminal Procedure Law" and "Criminal Justice and Human Rights Protection".
Suggestions and Empirical Research on the Revision of China Criminal Procedure Law, Ethical Examination of Punishment, Research on Organized Crime and Critical Review of 100 Criminal Investigation Cases published by People's Publishing House and other publishing houses; More than 70 papers, such as Ethical Reflection on the Value of Penalty and Research on the Types of Organized Crime, have been published in academic journals such as China Law and China Criminal Law Journal, and many of them have been reprinted by Xinhua Digest and Copy Materials of NPC. He has won many provincial and ministerial social science outstanding achievement awards.