Cooperation skills is an important role for everyone because when we have cooperation skills, we know how to listen, share, respect and communicate in similar harmony. For preschool children, 5-6 years old helps children have extremely important skills because this is where biology begins to form their personality and relationships around them. Therefore, educating cooperative skills is more important than ever. The study addresses a number of theoretical research issues on cooperative skills education and the role of cooperative skills education for preschool children 5 - 6 years old through a survey of 72 potential customers (Managers preschools and preschool teachers) on related issues.