This ER diagram for the medical shop management system depicts the Medical Shop Management System, which manages the details of Sells, Medicines, Stocks, Company, and Inventory. It keeps track of all the Sells, Medical shops, Inventory, and Sells. This ER diagram for a medical shop management system depicts the flow of activity through a sequence of actions. The activity diagram is a critical diagram for describing the system. The activity is defined as a system action or operation. An activity diagram depicts the overall control flow. The ER diagram for the medical shop management system of Medical Store Management System shows all of the visual instruments of database tables and the relationships between Medicines, Company, Medical Shop, Sells, and so on.