The first group, the consumer to access McDonald's BangYai branches, the survey found that users mostly students because of the as a branch near the community and the schools. The students have both female and male, age14-18years of age Revenue of around 100-200 baht / day. Education in middle school - high school. This group of students access to the restaurant Mc Donald from 1-2 people. Three or more people. Purchase behavior of groups of students were to choose a product with a promotion or have the right to buy in exchange for a lower price. Notice that the menu French fries, fried chicken, nuggets, fish or even desserts such as pies, ice cream cone, McCormick FROZEN. Has been popular among students. Students orders 100-300 baht or more, depending on the number of people more. If a group of students to observe the command menu, you will see that it is agreed that the needs of all groups of students, or because they are mostly used together, but how to divide the money equally. The restaurant Mc Donald does not want to limit the use of the store, but the store to purchase the product in order to use the service.