Basically very small. The library collection is divided into literature ancient books, circulating books, current periodicals, back periodicals, electronic periodicals and periodicals. The sub-collections of general university libraries are basically around 400,000 volumes! Of course, for students, the figure of 200 thousand is very large, but if such libraries lack a certain number of ancient books and circulating bibliographies, it will have a great impact on students' self-study.