The World Expo Building in Hu Yi Campus, also known as Teaching Building A, is mainly used for teaching and student activities, and is one of the main teaching buildings in this campus.

The building has six floors, with classrooms, laboratories, offices and other functional areas. Among them, the classroom is mainly used for undergraduate and postgraduate courses, while the laboratory is used for various experimental teaching and scientific research activities. In addition, there are some student activity rooms and study rooms in the Expo building, which provide places for students to learn and communicate.