There are many explanations. First, stones have a function, that is, they can be used to sharpen knives! Another is that he can live in a town house, which means that the kitchen is an important place and no one is allowed to enter. There is also the spirit, which is the stone of other mountains and can attack jade, indicating that the dishes in our kitchen are delicious, unique and first-class. Finally, it is a symbol of nature, which gives people the feeling of returning to nature, indicating that our meals are all green and pollution-free products!