Oats are rich in soluble and insoluble crude fiber, which can absorb a lot of cholesterol in human body and excrete it. Moreover, due to the high viscosity soluble fiber in oatmeal, it can slow down the digestion time of the stomach and intestines, and with strong water absorption, it is easy to feel full. So many people will feel that they are not hungry for a long time after eating oatmeal, which is completely different from what they used to feel. If you eat less fat, you will naturally lose weight.