Preparation materials: brewed coffee 10g, appropriate amount of water, and appropriate amount of pure milk.

1. Take out the brewed coffee, tear it along the dotted line, pull the lug left and right, hang it on the cup mouth, brew it with 80-200cc hot water and soak it for 30 seconds.

2. Take out the ear bag, put it back in its original packaging and throw it away.

3. Heat the milk and beat the pure milk with a beater.

4. Make milk bubbles and make coffee.

5. Mix milk and coffee into a circle, reduce the height to make white spots appear on the surface, shake the flower cup to pull out a large area of milk bubbles, and inject thin lines in the middle.