This Department is the real lab where the library holdings are processed through effective scientific technique aiming to arrange the available knowledge resources in a precise and disciplined style to make it easy to refer to and use. It carries out the technical processing for all the University Libraries materials such as both types of indexing, classification, cataloguing and abstraction; to achieve this goal, it uses the following groups of the universal adjustment tools:
1.    Anglo-American Descriptive Cataloguing Rules.
2.    The menu of the Arab Subjects Heads and the Menu of the subjects Heads of the American Congress Library.
3.    Dewey Decimal Classification Plan.