You can eat brown rice in moderation for a long period of time, but eating a large amount of brown rice for a long period of time may cause indigestion and malnutrition. Brown rice is a kind of staple food, every 100 grams of brown rice contains 348 calories, of which 75 grams of carbohydrates, 7.7 grams of protein, 2.7 grams of fat, 3.4 grams of dietary fiber. It can be seen, brown rice is a dietary fiber content of food, especially compared with the traditional refined rice and flour, dietary fiber content has been greatly improved, so it is more suitable for constipation patients. At the same time, normal people can also be consumed in moderation to promote intestinal peristalsis. Moderate consumption of brown rice is not harmful, but if a large amount of brown rice, it will lead to excessive fiber content. Fiber is a double-edged sword, its own relatively difficult to digest, if the digestive capacity of the weaker people consume a large number of brown rice, easy to lead to indigestion. At the same time, fiber can reduce the food fat, cholesterol, various minerals and vitamins in the absorption rate and absorption rate, a large number of consumption will lead to the corresponding types of nutrients in the human body lack. Especially the elderly, malnourished people, children are not suitable for large quantities of brown rice this kind of coarse grains.