In the recorded history of China, the traces of porridge have always been with us. The writing about porridge was first seen in Zhou Shu: The Yellow Emperor began to cook cereal for porridge. China's porridge was mainly used for food 4000 years ago, and was first used as medicine 2500 years ago. According to Records of the Historian Biography of Bian Que and Cang Gong, Chunyu Kun, a famous doctor in the Western Han Dynasty, treated Wang Qi's disease with "Hodge porridge". Zhang Zhongjing, a medical sage in the Han Dynasty, wrote in Treatise on Febrile Diseases: Taking Guizhi Decoction for a period of time and drinking a liter of hot porridge to help medicine are powerful examples. In the Middle Ages, the function of porridge was to highly integrate "edible" and "medicinal" and enter the level of "health preservation" with humanistic color. Su Dongpo wrote a book in the Song Dynasty, saying, "When you are hungry at night, Wu advised you to eat rice porridge, which can bring forth the old and bring forth the new and benefit your stomach." . Porridge is fast and beautiful. It's wonderful to have a sleep after eating porridge. Lu You, a famous poet in the Southern Song Dynasty, also strongly recommended eating porridge for health preservation, believing that it could prolong life. He once wrote a poem "Eat porridge": "Everyone in the world is an old man, but I didn't realize that at present I want to learn from the people and only eat porridge from the gods." As a result, the world's understanding of porridge has risen to a new height.