Preparation process of red pomelo wine and preparation process of red pomelo brandy

The invention discloses a preparation process of red pomelo wine. The preparation process comprises the following steps that (1) fresh red pomelo is taken and peel is removed; (2) the red pomelo pulpis fully added into a stirring tank to be fully smashed; (3) sugar is added for fermentation, firstly, the first batch of white sugar and yeast are added to the stirring tank, and the weight ratio ofthe red grapefruit pulp to the white sugar to the yeast is 45,000 parts-55,000 parts to 7,000 parts-8,000 parts to 7-9 parts, and a mixture is fully stirred and sealed for fermentation, and then 2,000-3,000 parts of white sugar is added again the next day, a first stage is 4-6 days, aerobic fermentation is performed, stirring is performed once a day, after the first stage is completed, sealed anaerobic fermentation is performed without stirring, the fermentation process temperature is 20 DEG C-35 DEG C, and the fermentation time is 12-20 days; and (4) the red pomelo wine is obtained by filtration. The invention further