Fast food refers to those that can be consumed instantly and reasonably priced to meet the needs of daily life, with the characteristics of speed, convenience, standardization and environmental protection.

Zero-point dining is a restaurant where you can eat as you order and pay by yourself.

Dine-in catering means that it can only be consumed in the store and cannot be taken away or taken out.

Self-service catering means that consumers choose their own dishes to suit their tastes and then dine in the restaurant