Commercial literature, director of the civil and Commercial Law Research Association of Shanghai law society. For more than 20 years, he has focused on legal businesses such as construction real estate, corporate legal affairs, criminal defense, etc. Because of the typicality and social influence of many cases he represented, he has been interviewed by the legal column of CCTV today, Anhui TV and Shanghai TV for many times, and has published several papers in national core journals such as law, politics and law.