The same weight of oats and rice, rice generally contains high calories, because oats and rice than the great feature is that oats are rich in dietary fiber, 1 gram of dietary fiber is able to produce 2 kcal of heat, while rice is almost all carbohydrates, 1 gram of carbohydrates can produce 4 kcal of heat. This can be seen rich in dietary fiber oats and rice, compared to the energy supply factor is a large percentage of the difference. Because the dietary fiber contained in oats will make the degree of blood sugar absorption is relatively slower, in the slower absorption process of blood sugar energy production will also be lost, often less than the actual carbohydrates contained in the energy required. It can be seen that oats compared with rice, the prominent reason for the rich dietary fiber, oats will be relatively lower calories than rice.