College libraries are considered a confidence center of educational establishments, and their Services assist numerous academic programs, including teaching and research. In college libraries, the application of modern technology, particularly internet technology, has transformed traditional methods of providing college library and information services. Introducing novel information via a selection of channels requires an extra need for information and a library system to include the latest users. As users of technology became more demanding, libraries grew or invented latest services. Information methods and techniques are continually being developed by the internet for libraries to use to give their information services. Some research achieved one-of-a-kind elements of the sector that have underlined the implication and relevance of libraries in the present world. The present library is characterized by a networked, automatic environment in which each operation is performed with the assistance of one or additional communication or information tools. This paper explains the Purpose and Functions of a college Library, the Need for Modern Academic Library Services, Modern and Information Services of the Academic Library and Emerging Trends in Library and Information Services. In adding together, this article is designed to assist research scholars learn about these fields.