All-inclusive: eat, eat, eat (auspicious), prepare, prepare, prepare and prepare meals. . "Zhou Li Tianguan Shiyi Doctor" "Everything is spring and summer." Zheng Xuan said: "The rice should be warm and the soup should be hot."

The Book of Rites states: "Look forward to spring when eating together, summer when eating together, autumn when drinking together, and winter when drinking together. Where there is harmony, spring is sour, summer is bitter, autumn is spicy, winter is salty, it is slippery and sweet. " The meaning of this passage is: to adjust food depends on the climate of the four seasons, rice should be warm, soup should be hot, sauce should be cold, and drinking should be cold. Flavors should also follow the rhythm: sour in spring, bitter in summer, pungent in autumn, salty in winter, and smooth and sweet spices.