I. Introduction
Personal and public healthcare services, as well as teaching and research initiatives, are the key components of traditional healthcare systems. Hospitals, homes, and other facilities offer personal healthcare services. Guidelines for medications, foods, and safety procedures are part of public healthcare services to maintain a healthy environment. For the prevention, identification, monitoring, and treatment of diseases, teaching and research efforts are crucial. Today's healthcare information systems are created with the user in mind, who benefits from their ease. There is an urgent need for a certain blood type in many emergency scenarios, such as accidents. In addition to emergencies, many continuous medical procedures and therapies now require more blood than ever before. The prosed solution is an application to address every issue that the present offline, as well as online systems, have to encourage individuals to donate blood and to assist patients to obtain blood in an emergency. Using this application, users can contact Blood Banks and Hospital's registered Donors if a patient needs blood in an emergency. Blood is essential for treating patients in the medical industry. Someone needs blood to save their life once every second. A GPS-based tracking system is developed as a proposed method to solve the problem. GPS-based tracking System is a mobile application that can be developed in Android. This application first finds the location through the GPS values that is latitude and longitude values of the user location and the query input. The services are collected for all areas and get stored in a database. If the user requests blood, the system finds the GPS values, compares them with them the database, and finds the limit area where the user's location GPS values come under. The system also finds the other user's location through GPS and searches for the required Blood group. If the system finds the required blood group and their GPS values may nearly match the user, then it displays the nor's current location to the user. Using the Android platform to reach the most people with the application, which solves the demand for blood and also provides a low-cost, rapid way to discover blood banks and donors because many people possess Android devices.