The pet store is a shopping center that offers a wide range of needs of other animals. Promotion of technology will allow consumers to conduct transactions that would also be a contributing factor in the success of product sales as well as market expansion into the global market. Applications built pet store cashier is intended to help expand its sales and marketing of products Petshop. The pet store made only member that has already sign up to do the transaction. Petshop application process begins by analyzing the sales system, making system design and database using the ERD and DFD, making the interface design, database and scripting programs using PHP and MySQL as its database. The results of this final project is Petshop application that includes purchases and sales of goods, as well as product data management, user data and data categories by admin.