Preparation method of Chinese yam and Chinese wolfberry fruit fermented wine

The invention discloses a preparation method of Chinese yam and Chinese wolfberry fruit fermented wine, the nutrition of wine making raw materials in the fermentation process is well reserved, and the flavor is natural, mellow and mild. According to the invention, sodium pyrosulfite is added step by step in the processing and fermentation process, so that accurate color protection is realized in the technological process; through enzymolysis of Chinese yam and exogenous addition of glucose, fermentation is promoted, and enrichment in the early stage of fermentation is facilitated; the production of methanol is effectively reduced through surface cleaning and high-temperature sterilization and enzyme inactivation of the Chinese wolfberry fruits and segmented treatment and fermentation of the Chinese yams and the Chinese wolfberry fruits; the slow reaction in the wine body is accelerated through ultrasonic and micro-oxygen introduction modes, impurities in the wine body are reduced, the content of savoury and m