It can be made into a mint blueberry cocktail. The specific method is as follows:

Ingredients that need to be prepared in advance include: 1 bottle of blue rose cocktail, 50 ml of mint julep, 70 ml of lemon juice, green 1 lemon, appropriate amount of blueberries, and appropriate amount of ice cubes.

1. Slice the green lemon and remove the seeds.

2. Add a few fresh blueberries to the cup and squeeze a few with your hands to release the juice.

3. Slowly pour in the green mint julep.

4. Add a few lime slices.

5. Add concentrated lemon juice.

6. Add blue rose cocktail.

7. Add ice cubes and complete.