The performance of a good stomach and intestines mainly include fresh breath, no false sweat, fingernail crescent, and full of energy. Nutrition needed by the human body is digested and absorbed through the stomach and intestines, and transported to various organs of the body through the bloodstream, the stomach and intestines mainly refers to the stomach, large and small intestine part of the digestive system, the stomach and small intestine mainly is able to absorb the nutrients inside the food, and also is the core of nutritional absorption. Mainly: 1, poor digestion, food can not be completely digested, absorption will be excessive fermentation, resulting in patients with bad breath. With better digestion, the breath will be fresher and free of odor.2. People with a bad stomach can’t digest and break down the food, which will be metabolized out of the body through sweating and will carry a bad odor. If the gastrointestinal tract digestive function is better, there will be no sweat or sweat odor performance. 3, Chinese medicine believes that the spleen blood, stomach main blood delivery, if the spleen and stomach is more healthy, blood naturally enough, nails will appear half-moon crescent teeth. 4, spleen and stomach healthy people, due to better digestion and absorption of food, the body is more powerful, full of energy. Food digestion process of the stomach, esophagus, large and small intestines, each system with good. The absence of pain and discomfort means that the stomach and intestines are better. If the digestion and absorption of food is good, the body will excrete a yellow, banana-shaped stool that is neither dry nor dilute every day.