"Darwin's bento" is a colloquial expression, also called "Darwin's lunch box" and "evolution lunch box", which originated from the evolution theory of British scientist Charles Darwin.

"Darwin's box lunch" is often used to describe a process of natural selection on the Internet, that is, due to environmental changes and competition, only people or things that adapt to the environment can survive and succeed. In some cases, "Darwin's box lunch" can also refer to a fast food box lunch. Its design concept is to separate different kinds of food, avoid the taste mixing of different dishes, and also avoid food pollution.

Darwin's box lunch refers to a kind of convenient food which is designed to be full of nutrition, personal taste, convenient and easy to carry, and suitable for busy office workers, students and travelers. It originated from the mobility of Japanese office culture and economic times, and now it is very popular all over the world. "Darwin" refers to the theory of natural selection of natural selection and survival of the fittest, while "bento" refers to the container. Therefore, "Darwin's box lunch" implies that it is a food with strong adaptability and can adapt to different occasions and needs.

characteristics of bento

bento industry, also known as fast food industry, is a major catering feature of ethnic groups that mainly eat rice. With the change of life style of urbanites, it is increasingly rare to eat lunch boxes at noon, and the fast food industry in metropolis is developing rapidly. The main supply targets of box lunch are students, employees of factories and institutions and patients in hospitals. The color and nutritional content of the dishes change with the price, and there are mainly main courses (such as fried pork ribs and chicken legs), semi-meat dishes (eggs and shredded pork) and vegetarian dishes.

bento is a convenient food that is widely loved by urban workers. Special bento franchise stores are different from western-style fast food restaurants, such as hamburgers and potato chips sold by McDonald's and KFC, and fried chicken and spaghetti are not suitable for business in bento franchise stores. In general Chinese fast food, chicken, duck, fish and meat are often mixed in a lunch box to form a mixed meal.