Sparkling wine, also called sparkling wine, is a special kind of wine. Carbon dioxide gas will be injected in the production process, or carbon dioxide bubbles will be generated through natural fermentation. Sparkling wine includes champagne, sparkling wine and sparkling wine. They are usually refreshing, fruity and rich in taste, and are suitable for celebrations and social occasions. There are seven main brewing methods of sparkling wine, and the carbon dioxide level and bubble style of sparkling wine brewed by each method are different. Including: traditional method, trough method, transfer method, primitive method, continuous method, carbon dioxide injection method and Asti method. Among them, champagne is brewed only by traditional brewing method, so the traditional brewing method is also called champagne brewing method.