Prof. Yin Ji gave lectures for the training course of NPC cadres in Wenshang County, Shandong Province, the training course of cadres of Taizhou Political and Legal Committee, the training course of cadres of Taizhou Political and Legal Committee, and the training course of cadres of the middle and above level cadres of the Public Prosecutor's Office and the Judiciary of Taizhou City at the College of Shuangchuang of Nanjing University, the College of Information, and the Jiangyan District of Taizhou City in May of this year. Prof. Yin Ji gave lectures on “Supervision Law of the Standing Committee of the National People's Congress and the Improvement and Perfection of the Supervision System of the National People's Congress”, “Research on the Protection of Minors and Crime Prevention”, “Research on the Understanding and Application of the Regulations on the Work of Political and Legal Affairs”, which were well received. “The lectures were well received.