1. Dispelling cold and relieving pain: It has a very good effect on loose stool's hernia caused by uterus yin deficiency and internal heat, waist cold pain, abdominal distension pain, dampness and cold, qi stagnation and blood stasis. Clinically, it is often combined with cinnamon powder, Daphne family and Lindera root to warm the middle warmer and promote qi circulation. To treat menstrual pain caused by women's aversion to wind and cold, going out in the rain, and qi stagnation and blood stasis, fennel 15 g can be taken three days before menstruation for three consecutive days, which can play a role in dredging menstruation, dispelling cold, regulating qi and relieving pain.

2. Activating qi and regulating stomach: For patients with stomach cold, vomiting, loss of appetite and epigastric pain, it can be combined with canned ginger and Gan Song. Patients with chronic gastritis and gastric and duodenal ulcer mainly show symptoms such as cold pain in stomach and wrist, aversion to heat and cold limbs. Fennel 100 g and ginger 200 g are mashed together, then fried, and millet soup is delivered to the door every morning, noon and evening.

3. Warming kidney and shrinking urine: it can be used for bedwetting caused by deficiency of spleen and kidney, frequent urination caused by congenital hypoplasia, renal damage caused by ventricular deficiency or high renal failure, bedwetting during sleep, backache and leg pain, and can be used with Alpinia oxyphylla, Ootheca Mantidis and Rosa roxburghii.

4, spleen and stomach, stomach meridian: General Chinese medicine in the spleen and stomach, fennel is used more than star anise. This is because fennel oil, which is often contained in fennel, can stimulate gastrointestinal nerves and blood vessels, promote digestive enzyme metabolism, promote gastrointestinal peristalsis, and remove accumulated steam. It has the functions of invigorating stomach, promoting digestion and regulating qi, and is suitable for people with weak spleen and stomach. If you have some abdominal pain (common in winter), you can add fennel when cooking or add fennel to millet porridge.