The stomach is not capable of absorbing any food, but mainly absorbs alcohol, inorganic salts, water, glucose, and small amounts of proteins and medications. The small intestine is the main organ for absorbing food, usually after eating food reaches the stomach first, which grinds large food into small food and degrades the large molecules therein into small molecules, all for the better absorption of food by the small intestine. In daily life, it is important to develop good eating habits. In the diet, less alcohol, eat more easy to digest, light diet, for cold, hard, spicy stimulating food as little as possible, to prevent aggravation of the burden on the gastrointestinal tract, affecting the body for the absorption of nutrients. Also pay attention to the warmth of the abdomen, the abdomen after the cold will slow down the body of the gastrointestinal tract peristalsis, is not conducive to the absorption of food and nutrients.