1, Luckin coffee has very strict hygiene requirements. Before making coffee, it is necessary to carry out aseptic disinfection and high-temperature disinfection of tea sets. Raw materials should also be cleaned, and no impurities can remain.

2, coffee will visit you from time to time, you need to know the history, origin and flavor of coffee.

The most important thing is that you should make four kinds of coffee: American coffee, latte, Irish coffee and Frisberry, and let the teacher taste it. The training will be over if the score is above 85, so it is very difficult for a coffee trainer.