A nutritious meal does not mean not eating meat or dieting, but a reasonable, scientific and healthy diet, such as. Protein's intake is good enough to reduce, and both protein and dietary fiber are important. You must have cooked your own diet meal, and then I suggest you buy a constant temperature electric lunch box. I am using Dongling electric lunch box now. Constant temperature heating can not only keep the best taste of food, but also keep the nutritional components of food.