In 2004, as a coach and team leader, he guided the law school team of Sun Yat-sen University to participate in the "Law Cup" mock trial competition in national universities; In 2005-06, he was selected as a coach to train students to participate in the Global Law School Students' International Commercial Arbitration Competition sponsored by the United Nations Commission on International Trade Law and the University of Vienna, and was invited as an arbitrator in the 14 Competition.