'OS PHARMACY' is a Pharmacy Management System. This management system is developed based on Bangladeshi medicine market and its' practices with an ample database along with generic names. This management system is a must to make life easy in pharmacy business. This system includes local medicine database, customer management, Vendor management, Inventory making, multiple user access, Selling, Business Report, Total Accounting system in background, Barcode generation and printing and many more features there for pharmacy owners. This system is developed for all operating system Android, IOS and in web portal. Few Off-line support functions there in APP version.