It is said that cooking in a black pottery pot is easy to retain the natural ingredients of food. If you use all kinds of black pottery tableware and cookers all the year round, you won't get sick. Whether this is a science or a "myth", a general trend is that in the past 20 years, guests from Japan, the United States and Europe have bought black pottery. It can be said that almost no beauty in Xishan makes a fortune by eating black pottery.