1. First, students from Central South University arrive at the classroom from the dormitory.

Secondly, at the door of the classroom, there is a face recognition system that scans the face in front of you.

3. Punching can be completed after the final scanning is completed. Central South University, located in Changsha, Hunan Province, is a national key university directly under the Ministry of Education of People's Republic of China (PRC). It is a sub-ministerial system directly under the central government, ranking among the national "double-class", "985 Project" and "2 1 1 Project" and being selected as the leading university in the national "201/Plan".