In this paper, we study the various types of Queue and Queue Management System. Queue system can successfully reduce waiting time of the patients in the hospitals. We aim to implement a model that initializes alert notification via SMS to patients of a hospital. It will minimize the queue of patients in the waiting area of hospital and also patient can book an appointment from anywhere at a given time. Patients can book an appointment via android application. and accordingly patients and also it will provide navigation towards that nearest hospital. Hence, for developing such a model a survey has been done on various types of queues.