Doctor Q is a mobile application for medical services, providing users with liable medical information. Doctor Q also provide hospital and clinics with a user-friendly interface through common browsers to assist the planning and management of both online and offline bookings and queues. Features: 1. The user interface for hospitals and clinics is simple and easy to use; nurses can manage both online and offline registrations and queues conveniently; 2. Doctor Q provides patients with immediate queueing service and push notifications of real-time status, helping to reduce the actual waiting time of patients in clinics and hospitals. Thus reduce the risk of cross-infection as well; 3. Doctor Q provides reliable medical information, facilitating users to select suitable doctors and schedule an appointment or queue online immediately.