According to the ancient Chinese literature, the word rice has appeared in the oracle bone inscriptions of the Shang Dynasty, and millet and rice have been mentioned in the Book of songs  Before the Spring and Autumn period, because of the small amount of rice planted in the north of China, rice was classified as five Grains: he, Yu, Gu, wheat, rice  However, in the Song Dynasty, it was upgraded because of the large amount of planting, and the saying that SuZhou and HuZhou ripe and the world is sufficient spread among the people
In the Ming Dynasty, rice became the main food in China
Rice was the main food in the Song Dynasty