The square represents fairness. It is a foundation of being a human. People must have their own idea and principles. This work is composed by four sides and eight pieces. It signifies it will provide fully professional service for various people and business that come from different directions. Being contented is a perfect way to dealing with people in the world. Using the model of holding hand as a core presents the close relationship between duty cashiers and the whole society. It is shows promise and trust, and it is the expression of composing excellent groups of duty cashiers. Finally, it creates continuing cooperation.