1, in order to save costs. When eating hot pot in the early years, people I didn't know often made pots together. In order to distinguish between food and checkout, nine squares were invented, which naturally saved the cost.

In order to find the food in the pot conveniently. When eating hot pot, you will encounter the embarrassment of putting vegetables or meat into the pot but not finding it. When you have nine squares, your "search" area is only one ninth.

3. Pursuing better taste. The tumbling soup pot is naturally divided into three grades. The temperature of each level is different, the concentration of butter is different, and the cooked ingredients are also different. This meets the cooking requirements of different ingredients, even if the same ingredients are cooked in different places and times, the taste is completely different.

4. In order to inherit the traditional culture. "Jiugongge" is a boundary in the history of Chinese calligraphy, that is, draw several large squares on paper, then divide nine small squares in each square, and practice calligraphy against the strokes of calligraphy posts. In order to inherit calligraphy, Jiugongge hotpot was invented.