In the history of China, where a major famine occurs, it usually triggers a large resistance from the peasants, causing severe social unrest, and then the dynasty will change. Therefore, the world must be peaceful, first of all, let the people have enough to eat, so the importance of storing grain granaries is self-evident. Yicang is a kind of social custom that used to store grain in the old days. It was found in Sui and Tang Dynasties. It is a private warehouse built in 1882 (eight years of Guangxu Emperor Guangxu). It is one of the few large granaries in the Qing Dynasty that existed in China. .