Production methods of blueberry enzyme and blueberry enzyme stock solution

The invention discloses production methods of a blueberry enzyme and a blueberry enzyme stock solution. The production method of the blueberry enzyme stock solution comprises the steps as follows: blueberries are weighed and then cleaned up with water, and pretreated blueberries are obtained; 0.3-0.5 kg of brown sugar, 0.5-5 kg of purified water, 0.005-0.01 kg of baijiu, 0.02-0.05 kg of 9-proof rice vinegar and 0.05-0.2 g of yeast are weighed for every 1 kg of blueberries, added to a fermentation tank, mixed and stirred; the fermentation tank is sealed with gauze and stored at 25-30 DEG C in adark place, information is marked, the fermentation tank is opened regularly for air bleeding, and a fermented mixture is obtained and left to stand and stored for 90-360 days; and a liquid of the fermented mixture is collected, the blueberry enzyme stock solution is obtained, filtration, filling, sterilization and packaging are further performed on the blueberry enzyme stock solution, and a final product, namely, the bl