Provide services of books and audio-visual resources. Zheng Guo Book Bar is a platform for students and faculty to learn, socialize and make friends. It has become humanistic and embodies the characteristics of the United front. Zhengguo book bar mainly provides books and audio-visual resources services. Book bar is a popular reading place in some cities in recent years, which combines the characteristics of libraries, bookstores, teahouses or cafes. People can browse fashion magazines and popular novels while drinking tea, coffee and chatting, and relax in soothing music.