The Computer Science Department of the college had practice teaching activity for new teachers. The leaders from the Dean Office, the heads of teaching and research section, as well as some teachers from the Computer Science Department participated in the activity. At the same time, they also invited Professor Xing Jinhua to participate in this activity. This activity required new teachers to give lectures they were supposed to give the next semester. The time limit was 20 minutes. The 5 new teachers had utilized their summer holidays to prepare for the courses. Professor Xing made comments at the end of practice teaching. And he hoped that teachers should be in a position to attract the students by their personal charm or professional knowledge.