Maoyi wine, which was produced in the third year of the Republic of China, has been kept in the wine cellar until now. Kiln storage is to store items in the cellar to keep them at a certain temperature and humidity, which is convenient for long-term preservation. Therefore, the sweater wine stored in the kiln in the third year of the Republic of China refers to the sweater wine produced in the third year of the Republic of China and has been kept in the cellar ever since. Maoyi Liquor is a famous wine that appeared in Guangxu period of Qing Dynasty.