He has successively undertaken more than 400 criminal, civil and economic cases such as Shaoyang "1.3 1", Hengyang "Zhang Feiyao's period case", "The first case of eliminating evils in three townships" and "Tan Heping's organization, leadership and participation in underworld organizations". Among them, the economic losses avoided for Anbang Investment Group in 2006 amounted to 654.38 billion yuan. He served as a legal adviser and undertook civil and commercial cases, which reduced or avoided economic losses of more than 6 million yuan for the parties.
Participate in the revision of the Criminal Law, the Land Administration Law, the Law on the Prevention of Juvenile Delinquency and other legal amendments or drafts. Participate in drafting or revising the National Lawyers Association's Code for Lawyers Handling Criminal Cases, Code for Lawyers Handling Civil and Economic Litigation Cases, Rules for Lawyers Participating in Arbitration, Code for Lawyers Serving as Legal Advisers, etc.
In 1999, 2000 and 200 1, he presided over nearly 20 major and difficult cases of Hunan Lawyers Association. Since 2000, the difficult cases assigned by the provincial people's congress have been demonstrated, and there are several cases every year. In 2002 and 2003, he was identified as a member of the expert group by Changsha CPPCC and participated in relevant expert demonstration activities. In 2004, he was invited by the Legislative Affairs Bureau of the provincial government to participate in the expert demonstration meeting. In 2004, he served as the director of the lawyer assistance center for optimizing the economic development environment in Hunan Province. On May 17, 2005, he made a report on "Making greater contributions to the optimization work" at the provincial economic optimization conference. At present, he has undertaken and handled nearly 200 complaints and issued 185 legal opinions, which has done fruitful work for optimizing the economic development environment in Hunan Province.