甘，冷，微毒。滋阴补虚，除蒸止渴。利水道，治热痢。
白凤膏
黑嘴白鸭一只，取血入温酒，随量饮之。将鸭去毛，胁下开孔，入枣肉二升，参苓平胃
散一
升，置沙坩内，以炭火慢煨，将陈酒一瓶，作三次入之，酒干为度，取起食鸭及枣，数作取
愈。治久虚发热，嗽痰咳血。（诸方第一。）
淘尽焙用。即蝙蝠屎也。恶白蔹、白薇、天鼠粪。
辛，寒，无毒。入厥阴肝经。活血消积。治目盲障翳，疗疟魃惊疳，止血气腹痛，平瘰
痈
内外障目，焙末，入猪肝内煮食服汁。（验方第一。）
小儿雀目，炒末，猪胆汁丸绿豆大，每五丸以米汤饮下。（第二。）
五疟不止，为末，每冷水下一钱，效。（第三。）
胎前疟疾，同上，酒下。（第四。）
去净沙石为末，酒飞晒干用。最恶人参。
甘，温，无毒。足厥阴药也。除一切血病，崩痢漏带，积痹闭结诸血，止诸般痛疾，心
腹胁
风化痰，杀虫消积。息惊风之痫癫，杀毒物之咬螫。退肠风而平疳，救反胃而止渴。生用能
通，炒用能止。血目最良，肝疟亦效。血虚无瘀者忌用。
灵脂乃寒号虫粪也。出北地，近五台诸山甚多。状如小鸡，四足，有肉翅，不能远飞，
夏月
凰不如我。至冬毛尽落如鸟雏，忍寒而号曰∶得过且过。其粪恒集一处，气甚臊恶。
失笑散 灵脂 蒲黄
醋熬成膏，再水煎服，或醋合丸服。止一切心腹胁气血疝寒诸痛。又除产后恶露，经瘀
不调
灵脂散 灵脂
烧烟尽为末，每下一钱。治丈夫脾积气痛，妇人血崩诸痛。又治产后一切痛。又治产后
血逆
Taste is sweet, nature is cold, slightly toxic. It nourishes Yin and tonifies deficiency, eliminates steaming bone sensation (a sensation of heat emanating from the bones, often associated with Yin deficiency), and relieves thirst. Promotes urination, treats dysentery due to heat.
Baifeng Gao (White Phoenix Paste): Take one black-billed white duck, collect its blood, mix with warm wine, and drink an appropriate amount according to tolerance. Remove feathers from the duck, make an incision under the ribs, insert two sheng of jujube flesh and one sheng of Shenling Pingwei San (Ginseng, Poria, and Stomach-Pacifying Powder), place in a clay pot, and slow-roast over charcoal fire. Prepare one bottle of aged wine, add it in three portions, until the wine is completely dry. Remove and consume the duck meat and jujubes; taking this multiple times leads to recovery. Treats prolonged deficiency with fever, coughing with phlegm, and hemoptysis. (From First of All Prescriptions.)
Taste is sweet and salty, nature is slightly cold. Treats chronic cough due to Yin deficiency, clears heat from the heart, abdomen, and diaphragm.
Wash thoroughly and roast before use. It is the feces of bats. Contraindicated with Bai Lian (Ampelopsis Radix), Bai Wei (Cynanchum Atratum Root), and Tian Shu Fen (Bat Feces).
Taste is pungent, nature is cold, non-toxic. Enters the Jueyin Liver Meridian. Invigorates blood and resolves accumulations. Treats blindness and visual obstructions, cures malaria, pathogenic influences, and infantile malnutrition (Gan syndrome), stops bleeding and Qi-stagnation abdominal pain, resolves scrofula and carbuncles. For internal and external eye obstructions, roast until dry, powder it, insert into a pig liver, boil, eat, and drink the broth. (Verified Prescription First.)
For infantile night blindness (Achromatopsia/Nyctalopia), stir-fry until dry, powder it, form pills the size of mung beans using pig bile, take five pills each time with rice soup. (Second Prescription.)
For refractory malaria of five types, powder it, take one qian each time with cold water; effective. (Third Prescription.)
For malaria during pregnancy, same method, take with wine. (Fourth Prescription.)
Remove all sand and stones, powder it, fly-process with wine, then sun-dry for use. Most incompatible with Ren Shen (Ginseng Radix et Rhizoma).
Taste is sweet, nature is warm, non-toxic. It is a herb for the Foot Jueyin Meridian. Eliminates all blood diseases, such as metrorrhagia, dysentery, leukorrhea, accumulations, bi-syndrome with obstruction, and all blood stasis conditions. Stops various pains, disperses wind from the heart, abdomen, and hypochondrium, transforms phlegm, kills parasites, and resolves accumulations. Calms convulsions and epilepsy caused by fright, detoxifies bites and stings from poisonous creatures. Resolves intestinal wind and calms Gan syndrome, saves against regurgitation (inverted stomach) and relieves thirst. Raw use promotes unblocking/circulation; roasted use stops bleeding. Best for blood disorders, also effective for Liver Malaria. Contraindicated in cases of blood deficiency without stasis.
Wu Ling Zhi (Trogopterus Dung) is the feces of the Hanhao Chong (Olmigale or Night Howler Bat). Produced in northern regions, abundant near Mount Wutai. Shape resembles a small chick, has four feet and fleshy wings, cannot fly far. In summer, even the Fenghuang (Phoenix) is inferior to it. In winter, feathers fall off completely like a fledgling; enduring the cold, it cries saying: "Get by as best you can." Its feces gather in one place, with a very foul and musky odor.
Shixiao San (Pain-Stopping Powder): Wu Ling Zhi, Pu Huang. Boil with vinegar into a paste, then decoct with water and take, or mix with vinegar to form pills. Stops all pain in the heart, abdomen, and hypochondrium due to Qi and Blood stagnation, cold, and hernia. Also clears lochia after childbirth, regulates menstrual stasis and irregularity.
Ling Zhi San (Wu Ling Zhi Powder): Wu Ling Zhi. Burn until smoke ceases, powder it, take one qian each time. Treats spleen accumulation and Qi pain in men, metrorrhagia and various pains in women. Also treats all postpartum pains. Also treats postpartum rebellious Qi/Blood.