He was the president of the criminal division of a court and a member of the trial committee, and has been engaged in criminal justice work for more than 20 years. He has published books such as “Three Steps to Effective Defense”, “Judges Judge in this Way”, “How Judges Think”, etc. He has published more than 40 essays and case studies, and has been honored as the National Court Case Handling Pioneer, the Beijing Municipal Trial Practice Expert, and the Beijing Municipal Advanced Worker (Labor Model). He is now the director of the Case Law Research Association of the China Law Society, the practical tutor for postgraduate students of China University of Political Science and Law and other colleges and universities, and has opened his personal WeChat public number “Criminal Shengtan” to provide criminal consultancy legal services for a number of enterprises, and has gone to the National Judges' College, lawyers' associations, organizations, enterprises, institutions of higher education, etc., to provide legal services for judges and prosecutors, Lawyers, public officials, business executives, students in school lectured on “Judge Judging Thinking”, “Trial Management”, “Judgement Writing”, “Duty Crime Prevention”, “Criminal Justice”, “Criminal Justice” and “Criminal Justice”. It also teaches courses such as “Judge's Thinking”, “Court Trial Management”, “Writing Judging Documents”, “Duty-related Crime Prevention”, “Prevention and Control of Criminal Legal Risks for Corporate Executives” and “Effective Defense”, disseminates legal professional knowledge and skills, and promotes the construction of a legal professional community.