Perpustakaan Al-Wathiqu Billah, Sultan Zainal Abidin Hospital (PWB HoSZA), is one of the branches under the Perpustakaan Al-Wathiqu Billah of Sultan Zainal Abidin University. At the HoSZA, the PWB HoSZA is under the Management Directorate of HoSZA. The library is located on Level 6, next to the Royal Ward. The primary function of this library is to provide up-to-date and comprehensive information resource services in the field of clinical medicine, semi-clinical, clinical support, health care, care and research. It will support the continuous learning of not only hospital staff but also the Faculty of Medicine, Faculty of Health Sciences, Faculty of Pharmacy and UniSZA Medical Science Foundation Center.

PWB HoSZA also provides services in the form of information search, dissemination of selected information, circulation, reference and inter-library loan. Residents of the hospital and faculties can obtain information about the materials in the library through the PWB portal service https://perpustakaan.unisza.edu.my/index.php?lang=en.