The library is rich in literature information resources, with diverse carriers and obvious professional characteristics. There are 2.27 million books, including 9459 1 species. There are 3 170 Chinese and foreign periodicals, and 407,700 e-books such as Superstar and Founder of Peking University. There are 4 1 Chinese and foreign database systems at home and abroad, such as Wan Fang Data Resources, China Journal Network (Tsinghua Tongfang), China Sci-tech Journal Database (Chongqing VIP), NPC Copy Materials, China Information Database, IEEE, Ei (Engineering Index), UMI (American Doctoral Dissertation Full-text Database), ASCE (American Society of Civil Engineers Database) and CSA (Cambridge Scientific Abstracts). A multi-disciplinary literature resource guarantee system has been established, including highway bridges, construction machinery, automobile engineering, transportation, land resources, geological engineering, geotechnical engineering, construction engineering, environmental engineering, economy and management. , especially in the fields of highway transportation, land resources and urban and rural construction, has distinctive professional characteristics and expert technical consultation guarantee system.