1, Onion: The pungent smell emitted by onion can stimulate gastrointestinal peristalsis and promote gastrointestinal secretion of more digestive juice, thus enhancing people's appetite and improving gastrointestinal digestion ability, and has a good therapeutic effect on gastrointestinal diseases such as dyspepsia, dyspepsia and abdominal distension.

2. Tomatoes: Organic acids such as malic acid and citric acid contained in tomatoes can promote the secretion of gastric juice and promote the digestion of fat and protein. It can also increase the concentration of gastric acid, regulate gastrointestinal function, and contribute to the rehabilitation of gastrointestinal diseases.

3. Mushroom: Mushroom food is nutritious and delicious. It is a healthy food with high protein and low fat, rich in essential amino acids, minerals, vitamins and polysaccharides. Regular consumption of mushrooms can promote the absorption of nutrients from other foods.

4. Apple: Apple contains "pectin", which is a kind of water-soluble dietary fiber, which can reduce the number of bad bacteria in the intestine and help beneficial bacteria to reproduce. Pectin can regulate the blood sugar level of human body and prevent the sudden rise and fall of blood sugar. It can also promote the discharge of lead, mercury and harmful substances in the gastrointestinal tract, remove metabolic wastes in the body in time and promote the discharge of toxins in the body.