Tofu is a green and healthy food invented by Huainan King Liu An, an alchemist in China. Today, it has a history of more than 2,100 years and is deeply loved by the people of our country, neighboring countries, and people around the world. So far, it has a complete range of varieties, various patterns, unique flavor, simple production process and convenient eating. High protein , low fat, lowering blood pressure, lowering blood lipid, cholesterol-lowering effect. It is a good delicacy that can be used both raw and cooked, suitable for both young and old, for health preservation and longevity. Huainan City, Anhui Province-Liu An’s hometown, there is an annual Tofu Cultural Festival on September 15 each year . Those who study in depth can read “Huainanzi” and the local chronicles of Huainan. Philosopher-Zhu Xi has “Vegetarian Poem” handed down to the world. Tofu is a kind of soy as the main raw material of food, does not have any taste, but contain high protein quality, can be made into a wide variety of dishes. It originated in China and has the characteristics of beauty, high nutritional value, and rich product variety.