Library Management System is Library management software for monitoring and controlling the transactions in a library .The paper “Library Management System” is developed in android which mainly focuses on basic operations in a library like view total books, view available books, and updating information, searching books and facility to view borrow and return books. “Library Management System” is an android application written for mobile smart phones, designed to help users maintain and organize library. This software is easy to use for both beginners and advanced users.