Usage and dosage: water pills, 6 grams each time, twice a day, taken with warm water. Pharmacological effects: Evodia rutaecarpa has the functions of aromatic invigorating stomach, inhibiting abnormal intestinal fermentation, promoting the discharge of accumulated gas, stopping vomiting and relieving pain. Accumulation of food turns into heat, and it is forbidden for those with yin deficiency and excessive fire.