Recently, Professor Yin Ji was invited to give lectures on Criminal Procedure Evidence Review and Prevention of Wrongdoing, Criminal Law Amendment (XII) Understanding and Application, and Criminal Law Amendment (XII) for legal aid lawyers of Taizhou City, Zhejiang Province, criminal prosecutors and some police officers and lawyers of Suzhou City, and the trial personnel of Xinghua City Court, respectively, at the University of Science and Technology of China, Nanjing University, and Suzhou City. Amendment (XII) of the understanding and application. The lectures were well received.