澳門城市大學圖書館旨在配合學校之整體教育目標、搜集和運用多元化資源，以支援教學研究，發揮圖書館教育性與資訊性等功能。
澳門城市大學圖書館為師生提供閱覽、流通、參考諮詢、文獻檢索、圖書館利用教育、電子資料庫培訓、館際互借等多類型、多層次的服務。本館引進「學習共享空間」(Learning Commons) 概念，強調整合且開放、隨和、共享的空間，讓學習更舒適、更多元，是集科技、資訊、及休閒兼備，指向學習、休閒與分享經驗的溝通場所。
City University of Macau Library provide multi-types of service which includes circulation, online booking and renewal service, reference consultation, literature retrieval, utilize resource of library, electronic database training and inter-library borrow service. The introduction of "Learning Commons" encourages idea sharing, discussions, brainstorming and information exchange through different communication channels under a comfortable, open-minded, and amiable atmosphere.