Preparation process of plum wine

The invention belongs to the technical field of fermented wine, and discloses a preparation process of a plum wine. The preparation process comprises the following steps: a, picking green plums; b, selecting green plums; c, cleaning the green plums for the first time; d, cleaning the green plums for the second time; e, sterilizing and de-enzyming the green plums; f, treating a soaking vessel; g, soaking and aging the green plums; and e, adding 25 kg of purified water into a sterilization pot, heating the sterilization pot until the water is boiled, then adding 2.5 kg of cleaned green plums, stirring the green plums for 15 seconds at a constant speed in a mode of drawing circles clockwise or anticlockwise, then immediately fishing out the green plums, and draining the green plums for subsequent usage. According to the preparation process of the plum wine, the plum wine obtained through standardized production, soaking, fermentation and aging for 18 months or more is unique in taste, rich in plum fragrance, fre