1. Old wines with different technologies are made from grain as the main raw material, Daqu, Xiaoqu or bran koji and yeast as saccharifying and fermenting agents, and are cooked, saccharified, fermented and distilled. Yellow rice wine is made of rice, millet, black rice, corn and wheat. Steaming, mixing with wheat koji, rice koji or medicated wine, saccharifying, and fermenting. 2. Old wines with different meanings are the general term for wines that have been stored for a long time, generally referring to all aged wines. The quality of yellow rice wine yeast koji determines the quality of wine. Originated in China, it is only found in China, and it is called the three ancient wines in the world together with beer and wine. 3. Different kinds of aged wines include white wine, red wine, yellow wine, wine, liqueur, whisky, brandy, gin and vodka. There are many kinds of yellow wine. Modern rice wine is divided by sugar content. The most common is to name the wine according to its place of origin. Such as Daizhou yellow wine, Shaoxing wine, Jinhua wine, Danyang wine, Jiujiang sealed wine, Shandong lanling wine, Henan double yellow wine and so on.