The Cerner Etreby's flagship retail product, the Pharmacy Management System (PMS) is built on the basis of clinical knowledge and experience of pharmacy professionals and maximum technological proficiency to facilitate the daily pharmacy functions and improve the efficiency of production. This system is operational on a Windows based system for making the activities easy and flexible. The system is capable of multi task functions allowing more time with the patients for greater productivity. The dispensing errors can be minimized with the help of the clinical checks and the current drug information. The possibility of maximum profitability comes with the cash pricing tables and options. Windows based system goes with a wide range of the peripherals.