Zhang Yanqing, graduated from Sun Yat-sen University with a bachelor's degree, has worked in the First People's Court of Zhongshan City, Guangdong Province, the Intermediate People's Court of Guangzhou City and the First Circuit Court of the Supreme People's Court. He has participated in the trial of one of the top ten criminal cases in 20 19, such as "the retrial of Gu et al." and "the work-related injury identification case of the contractor in the top ten nominated cases in 200219 in the new period", and has accumulated rich theoretical experience and courts.