Leather tofu is one of the most common home-grown and cuisine in all parts of China; it is made from raw materials such as lush tofu, squealing, eggs, oil and cuisine, which is delicious, simple, nutritious, pyrolysis fire, rich in the many nutrients required for the human body, with reference to the origin of the meal, and a beautiful legend that is said to be relevant to the customs plumes of the three countries. It has been said that Liu Bei had borrowed troops from Dong Wu, and that he had taken his men to Sichuan, leaving Guan Yu town to guard Jingzhou. This summer, the weather was so hot, the soldiers practice martial arts against the sun, sweaty and sweaty. For a long period of time, many have given fire to their hearts, dryed up their heads, defecated their mouths and their tongues. Guan Yu is very anxious. Guan Yu was alone in the library one day and thought about it, without realizing that the sun would rise three times a day, and that he would eat from the bottom, with the same soybeans. Guan Yu immediately thought of tofu, and the doctor said that the plaster is cold, but it's hot. Guan Yu told Sgt. Sgt. Bean, boiled, put some plaster in his hand. The tofu is like a potion, and the tofu is slowly getting better. Later on, some of the army's sergeants mixed the eggs out of their hometown. Tofu, combined with sorbents, not only tastes delicious, but also thermal detoxification, which has been transmitted to the day。