First of all, it represents a symbol of happiness.

Second, it is used to distinguish other steamed bread fillings conveniently. Steamed steamed buns with various fillings are decorated with red dots, which can be distinguished from other steamed buns such as bean paste buns. Some people put a small red date directly on the steamed bread without a red dot.

This is a folk custom in most parts of China, especially in the north. People always like to stick a red dot or a red "Xi" or "Shou" seal on the white-flour steamed bread in festivals, but it has no completely fixed special meaning, but only represents a good wish of people. Red means prosperity, and the symbol of happiness and longevity is ostensibly the content of this grand event. Flower steamed bread, flower cake, peach steamed bread and animal steamed bread are a manifestation of folk craft food.

What is the red dot on steamed bread?

It should be food coloring, such as carmine. Food pigment carmine

Water-soluble synthetic pigments, bright yellow and red, monochrome varieties. It can be safely used for coloring food, beverage, medicine, cosmetics, feed, tobacco, toys, food packaging materials and so on.