Right after he got the lawyer's certificate in 1988, he worked in the predecessor of Great Wall Law Firm---Great wall Foreign Economic Law Firm. He is good at acting as law consultant for domestic and foreign companies, dealing with product liability, litigation, arbitration, real estate, finance, debt execution, company reorganization, intellectual property, designing legal structure for joint venture companies, providing law services and so on.

　　The companies he once and now acts as the law consultant, include: Nara Daily News Co. Ltd. of Japan, New International Co. Ltd of Japan, Japan-China Cultural Village Co. Ltd., Medtronic of USA, Mitsui-China Unicom Communicating Facility Co. Ltd., Bogay Investment Co. Ltd. of Hong Kong, China oil, start sunway Technology Co. Ltd., Tsinghua Tong Fang, power on Technology Co. Ltd., CS&S Handson Technology Development Co. Ltd. etc.

　　The law services he has provided are: handling the foundation of Toto Machine (China) Co. Ltd. and Mitsui(China) Co. Ltd. of Japan, Sino-Japan Zijingong Hotel reorganization, 5 billion financing and reorganizing of Sino-Japan Xi'an Royal Hotel Co. Ltd., handling the cases of product liability of a Chinese general claiming a great amount of indemnity to a transnational corporation of USA. (which is the first foreign case of product liability in China), and two common Chinese consumers claiming indemnity to a transnational corporation of Japan, (the above cases were shown on BTV "Today's focus", and "Beijing Youth Daily", "South weekend", "China Business Trade", "Healthy", "Worker's daily", "China Lawyer", "China Sanitation Field", etc.), helping the foundation of the Great Wall Communication Co. Ltd. of HeBei, which was invested by Guangda Communication Co. Ltd. of HeBei and Starlight Mobile Communication Co. Ltd. of Hong Kong, drafting the long term cooperation contract between Comilog Far-east Co. Ltd. and two Chinese large factories of Gui Lin Ferroalloy Factory and Bayi Ferroalloy Factory of GuangXi, handling the arbitration case of the sale of goods contract between a Hong Kong company and a big joint venture company in China, acting on behalf of China Construction Engineering Co. Ltd. to claim a great number of indemnity for a large project to Kuwait and Yemen, helping the foundation of HuaLong Building Materials Co. Ltd. of Shenzhen China which was invested by Hualian Real Estate Developing Co. Ltd. of China and a company of Hong Kong, etc.

　　The total amount of the debts he has recovered for many domestic and foreign companies reaches several hundreds million RMB.