Nowadays, people pay great attention to the healthy diet, they want to keep healthy and can do a lot of things. Green food has become more and more people’s choice, in the market, all kinds of green food have emerged. The reasons for the popularity of green food are various, first, greed food is healthier than the ordinary food, the quality is highly certificated, so the green food is also safe. Unlike the vegetable, which is polluted by the medicine farmers use, green food is free from pollution. Second, the green food is more nutritious, the nutritious elements in the food are balanced and less lost, so green food remain good nutrition. Green food is good for our health.