The contact list management system is a system that able to physically manage the printed business card of others while the E-Contact List Management System can provide users a platform to manage and view other people’s contact details. The reason of deciding to do this project is to enhance the efficiency of finding contact person information. The project will be written by the Dart, using Flutter as framework and Firebase as backend. The objective of this project is to enhance the efficiency of finding contact person information, to design an application that enables a user to manage contact person systematically, and to test and validate the efficiency of the proposed system. The project will use waterfall model, there are six phases which are communication, analysis, design, implementation, testing, and deployment. This system could manage to enhance the whole process of managing contact information of other people.