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Yellow skin inside the gizzard of the chicken
Sweet, neutral. Enters the Large Intestine and Bladder meridians. Strengthens the spleen and stimulates appetite. Disperses intestinal wind (wind pathogen affecting the intestines), treats diarrhea and dysentery, aids digestion of food and fluids, resolves alcohol accumulation. Combined with Trichosanthis Radix (Tianhuafen), treats ge xiao (polydipsia/thirst syndrome) and excessive drinking. Paired with Alum (Ku Fan), applied externally to treat gum rot (yagen) and oral ulcers. (Has heat-clearing properties.) Mixed with human milk, treats pediatric malaria. Applied together with Curcuma Aromatica (Yujin) to treat facial sores with erosion. Charred until carbonized but retaining its nature, ground into powder for use.

Chicken egg
Sweet, neutral. Benefits qi and nourishes blood. Egg white: Resolves heat toxins, treats lower dysentery, calms the fetus and facilitates childbirth, settles fright and stops coughing, clears the throat and restores voice. Egg yolk: Nourishes yin of Jueyin (Liver/Pericardium), thereby stabilizing stomach qi; supplements qi of Li (Heart), thereby calming the spirit. Paired with Donkey-hide Gelatin (Ejiao), communicates between Heart and Kidney. Calcined with Minium (Huangdan) and ground, treats dysentery during pregnancy. Decocted with disordered hair, treats pediatric fright-heat with dysentery.
For all treatments, use raw. For treating jaundice, soak in vinegar and take. Mixed with red adzuki bean powder, apply topically to detoxify. Contraindicated in children with measles/rubella accompanied by qi stagnation. Eggs with an "eight-character" pattern should not be eaten.
Hatched eggshells: Treats severe conditions such as collapsed smallpox/rash and bloody stools. Ground to treat corneal opacity (zhangyi), applied externally to treat chancres. The inner membrane (white cloth): Treats chronic cough. Stir-fried and ground into powder for use.

Chicken meat
Slightly cold. Directs qi downward and reduces accumulation. Promotes urination and defecation, treats abdominal distension like a drum (gutanzhang). (Dried feces of castrated chickens, stir-fried until yellow, decocted with wine to one-third volume, strained and taken; when the abdomen moves, the distension subsides spontaneously.) Relieves distension, soaked in wine. Reduces accumulation and promotes bowel movement, stir-fried until yellow and decocted in water.
Strange condition: Sores and toxins appear on the calves or flesh folds of the body, gradually causing internal flesh to evert, appearing bright red without pus or blood, loss of appetite, and excruciating pain, named "Pomegranate Flower Eversion". Apply rotten, thin chicken feces frequently to heal spontaneously.

Chicken viscera (general reference)
Salty, neutral. Harmonizes essence and qi. Effective for malignant sores, scabies, tinea, wind sores, vitiligo, and ulcers; immediate cure upon ingestion. Resolves toxicity from various medicines.
Egg
When consumed by children, pre-empts smallpox toxin.
Feces
Named Zuo Panlong (Left Coiling Dragon)
Pungent, warm. Slightly toxic. Can be applied externally to treat various sores and wind-toxins.

Sparrow meat
Sweet, salty, hot. Enters the Mingmen (Gate of Life). Benefits qi and strengthens yang. Treats impotence and leukorrhea, eliminates hernias and masses, promotes urination.
Sparrows are suitable for consumption during the three winter months; sparrow eggs are suitable for collection in May. Contraindicated for those with abundant yang qi. Contraindicated for those taking Atractylodes Macrocephala (Baizhu).
Head blood
Dropped into eyes to treat night blindness (quemang).
Brain
Treats deafness, applied externally to treat frostbite.