Secondly, as can be seen from his resume, he has experienced the drafting and revision of many laws. When the Marriage Law was revised from 1978, Wu Changzhen, then a teacher at the University of Political Science and Law, participated in the revision.
In addition, Professor Wu Changzhen devoted himself to more than 30 social welfare activities in his later years. In 1980s, Wu Changzhen led the establishment of the eighth law firm specializing in public interest litigation, which was the first law firm specializing in public interest litigation in China.