About Du Kang's view on wine-making, ancient books recorded the general meaning: Du Kang put the leftover food in the hole of mulberry tree, and after the leftover food was fermented in the hole, it had a fragrance, and Du Kang was inspired to make wine. Many ancient people also agreed that wine was created by Du Kang. Cao Cao wrote in his poem that "Du Kang alone can solve the worries". Du Kang did exist in history, and it was recorded in ancient books such as Shi Ben and Lu Chunqiu.
According to legend, it was in the Xia Dynasty that Yidi invented wine. Liu Xiang of Han Dynasty said in Warring States Policy that the wife of Yu, the ruler of Xia Dynasty, ordered Yidi to supervise brewing. Yidi carefully processed, brewed good wine and dedicated it to. After drinking it, Yu thought it was delicious, but he also said that it was inevitable that kings would die because of drinking too much. After that, Yu alienated Yidi and gave up drinking.
Other statements
The theory of ape brewing came into being at the latest. In the Supplement to National History written by Li Zhao in the Tang Dynasty, it is recorded that apes living in deep mountains and wild forests are addicted to alcohol, so people put wine in their haunts. After the ape smelled the wine, he came to drink and got as drunk as a fiddler, and was captured alive. "Yuedong Notes" wrote: Qiongzhou is full of apes, tasting the ape wine deep in the rocks. The beggar ape-man is made of rice mixed with flowers. One stone is 56 liters, which is the hottest, but it is extremely rare.
These records of different times and different people show that apes do make wine, which is essentially different from wine made by people. At most, it is a natural fermented beverage with wine aroma. Wine was not created by someone or heaven, but discovered by working people through years of labor and accumulated experience.