If investors want to sell fast-food bento, they have considerable market share and profit margin. According to the current market situation, the profit of a simple box lunch can be as high as 50%, and it is conservatively estimated that the profit can reach 30%. It is a real money-making industry, and the operation of box lunch has made many entrepreneurs get unprecedented returns on wealth.

The advantage of box lunch is that it is cheap, can fill the stomach, and there are many choices. Usually, a box lunch consists of one meat, two vegetables and a side dish, and some boxes can be served with additional side dishes.