2. Stir-fried fennel: In case of cold vomiting, loss of appetite and epigastric pain, it can be used with dried ginger and woody. Patients with chronic gastritis and gastric and duodenal ulcers show symptoms such as epigastric pain, chills and cold limbs. Fennel 100 g and ginger 200 g can be mashed together and fried at the end of Huangyan every morning and evening. It has a good analgesic effect on abdominal pain and dysmenorrhea caused by stomach pain or cold coagulation. Modern medical research shows that the mechanism of fennel in the treatment of gastrointestinal diseases lies in the rich fennel oil in cells, which can stimulate gastrointestinal peristalsis and help exhaust gas to relieve pain. Therefore, fennel is often used as a safe and efficient drug in clinic, thus achieving the effects of regulating qi and stomach.