This is an ancient tribute, a kind of nut. Chestnut, also known as Ming chestnut, is an excellent variety of Shandong chestnut, and Taishan Mountain and Culai Mountain are the main producing areas of Tai 'an chestnut. In the Ming and Qing Dynasties, it was designated as a "tribute" and was known as "Taishan Ganli". On the basis of traditional cultivation, many excellent strains have been selected, such as Taishan thin shell, cocoon shed, red chestnut, Wuhua, Songzaosheng and Donglingzao, which are collectively called Tai 'an chestnut.