Fast food refers to meals that are prepared in advance and can be served to customers quickly, such as hamburgers and box lunches. Also called bento. Hong Kong and Taiwan are translated into fast food, instant food and so on, which is different from bento. Fast food has the advantages of popularity, time saving and convenience. Nowadays, fast food has become a common way of life, and thus "fast food culture" and "fast food doctrine" have emerged.

Fast food refers to popular catering that is provided by commercial enterprises quickly, eaten immediately and at reasonable prices to meet people's daily needs. It has the characteristics of rapidity, convenience, standardization and environmental protection. Such as hamburgers, box lunch, hot and sour powder, etc., also known as box lunch. Hong Kong and Taiwan are translated into fast food, instant food, etc.

fast food can be divided into traditional fast food and modern fast food according to the mode of operation and degree of industrialization, and can be divided into Chinese fast food, western fast food, Chinese and western fast food and other fast food according to the flavor of dishes.

The fast food industry is a new growth point for the development of national economy and catering industry, and it is the breakthrough and vanguard of traditional catering to modern catering. In recent years, fast food has become a way of life