Professor Lin Yagang's main research fields are China's criminal law, foreign criminal law and criminology, and he has written academic works such as Crime of Endangering Public Relations, New Theory of Crime and Research on Negligence. He once served as the vice president of Jianghan District People's Court in Wuhan. During his tenure, none of Amway was sent back for retrial and revision because of unclear facts or improper application of the law.