Oat is a coarse grain, rich in cellulose, which can promote the digestion of food in the body, thus achieving the purpose of losing weight. Many people regard oats as a diet food, which is very feasible. But people who lose weight can't just eat oats. Although it can promote digestion, the nutritional components in oats are very limited and cannot meet people's normal nutritional needs. When we eat oats, we should match other foods to achieve a balanced diet. Only in this way can we lose weight healthily.