Gallus gallus domesticus is the inner wall of the dry sand sac of domestic chickens. It has a mild medicinal property and a sweet taste. It returns to the spleen, stomach, small intestine and bladder meridian, and has the effect of eliminating stagnation and strengthening the spleen and stomach. Modern pharmacological studies have shown that Gallus gallus domesticus contains gastrin, keratin, amylase, pepsin, vitamins, etc., which can promote gastric juice secretion, increase gastric acid, improve gastric digestion, and promote gastrointestinal motility. It can be treated Indigestion in adults, malnutrition in children, weak spleen and stomach. Gallus gallus domesticus also has the effect of eliminating stones, treating common clinical urinary calculi, gastrolithiasis, chronic atrophic gastritis, gallstones, kidney deficiency and nocturnal emission, enuresis, etc.

It is used for food accumulation, vomiting and diarrhea, infantile malnutrition, enuresis, nocturnal emission, astringent pain, biliary swelling and hypochondriac pain.