Sambodhi Central Library at Siddharth University, Kapilvastu was founded in 2015 at the Faculty of Arts Building. Now the Central library is located in the new fully airconditioned building next to the administrative building. The new Sambodhi Central Library currently is of 2 floors with total surface area of 2222.91 Square meter. It is equipped with central air conditioning, 500 MBPS internet connectivity, and a dedicated data server for the library. Sambodhi Central library have digital library section with 25 computers along with Reading room, discussion rooms, lockers for students and scholars, 1 smart classroom and Auditorium.

The Sambodhi Central Library at Siddharth University operates efficiently with RFID and an Integrated Library Management System (ILMS)-SOUL ensuring streamlined access to its extensive collection and facilitating digital resources. The library currently boasts a substantial collection of books, rare books, manuscripts, periodicals, journals, multimedia materials, and various other e-resources.

Sambodhi Central Library has dedicated facilities for specially abled people. This software-based facility provides audio output for easier access to reading materials, enables scanning of books and translation into 100+ Indian and foreign languages. The library promotes inclusivity and equal learning opportunities and continues to support research, learning, and scholarly excellence.