According to the five elements theory in China traditional culture, money belongs to the treasury. The theory of five elements is a concept in China's ancient philosophy, which is used to describe the relationship and changing law of all things in the universe. The five elements include gold, wood, water, fire and earth, and each line represents a specific attribute and interaction. Gold and silver banks represent the characteristics of hardness, brightness and convergence, and are associated with concepts such as wealth, power and order. In the relationship between the five elements, Jinshui, aquatic wood, Muhuo, Huotu and Primary Gold form a cyclic interaction process.