Hospital Management System is based on the concept of managing a patients record of a hospital. This mini project contains limited features, but essential ones. This project is helpful for keeping details of the Patient, Employee, and Inventory in the Hospital. The user can perform the following operations. Add patient details by entering his/her name, disease name, phone number, cabin number, etc. The user can also view all the available patient records. Such as details and search a patient by its name, age, disease, cabin number. Besides, the user can edit information as well as remove a patients whole date or only his/her name, phone number, disease name, cabin number. The system creates an external file to store the users data permanently. create a simple and complete c program using file handling.