He has been engaged in the research and teaching of law, especially criminal law and administrative management for a long time. He has made outstanding achievements in the fields of criminal law intentional crime thought, criminal law legislation, criminal law reform and criminal operation. Since 1997, he has undertaken the task of giving lectures on the legal system led by the provincial party committee and the provincial government, and served as an academic guidance expert in many courts, procuratorates, public security bureaus and law firms, as well as an expert in commenting on legal columns such as Anti-corruption Warning of Hebei TV Station. In 2003, he led the establishment of the Law Department of North China Coal Medical College, and began a new exploration of medical judicial education. Over the years, I have been working as a part-time lawyer, handling more than 0/000 criminal cases, 300 civil and economic cases and 30 administrative cases. At the same time, he actively participated in scientific research, published more than 40 academic papers, edited 3 books, presided over 5 topics such as social science youth projects in Hebei Province, and won many awards such as the third prize of the Provincial Social Science Association and teaching achievements.