Composite vegetable juice fermented beverage and production method thereof

The invention relates to the technical field of fermented beverages, and discloses a composite vegetable juice fermented beverage and a production method thereof.The production method includes the steps that composite vegetable juice fermentation liquor is sterilized through a pasteurization method to obtain the composite vegetable juice fermented beverage, and sterilization includes the following steps that sterilization data of the composite vegetable juice fermentation liquor is obtained; based on the sterilization data, obtaining a sterilization time reflection value and a sterilization temperature reflection value; based on the sterilization time reflection value and the sterilization temperature reflection value, the sterilization effect of the composite vegetable juice fermentation liquor is judged, and a sterilization signal is generated; when a sterilization disqualification signal is obtained, analyzing a sterilization process to obtain a sterilization obstruction coefficient; on the basis of the st