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Indicated for thirst with desire to drink, difficulty in urination, floating pulse, and fever.
Zhu Ling (Polyporus) [1 liang], Fu Ling (Poria) [1 liang], Ze Xie (Alisma Rhizome) [1 liang], Hua Shi (Talcum) [1 liang], E Jiao (Donkey-Hide Gelatin) [1 liang].
Take the above five herbs. Add four sheng of water. First decoct the first four herbs until two sheng remain. Remove the dregs. Add E Jiao and melt it. Take seven he of the warm decoction each time, three times a day.
Song says: Ze Xie, E Jiao, Zhu Ling, Fu Ling, and Hua Shi are linked together. Cough, vomiting, heart vexation, thirst, and insomnia are treated. After boiling and removing dregs, add E Jiao later. The method of nourishing yin and promoting diuresis is fully integrated.
Commentary: There is an abyssal difference between the use of this decoction and Wu Ling San (Five-Ingredient Powder with Poria). Wu Ling San treats Taiyang disease entering its root (Taiyang governing cold-water qi, hence Gui Zhi is added to warm it). This warms yang to prevent Yang collapse; whereas interior heat worries about Yin collapse. Yin collapse refers to the loss of Kidney yin and Stomach fluids. If one overuses damp-draining and diuretic methods, fluids will instead be exhausted. The E Jiao in the formula achieves yin-nourishment through fluid-draining; this is nourishing the formless (yin/fluids) to move the formed (pathogens). Thus, Zhong Jing said: "If sweating is profuse causing Stomach dryness, and although there is thirst, there is no interior heat, this formula should not be given."

Indicated for Yangming disease with spontaneous sweating, or after perspiration therapy where urination becomes free-flowing; this indicates internal exhaustion of body fluids. Although the stool is hard, purgatives should not be used. If the patient feels the urge to defecate, Mi Jian Dao (Honey Suppository) is suitable to guide passage. Tu Gua Gen (Trichosanthes Radix) and Da Zhu Dan Chi (Gallus Pig Bile) can also serve as guides. (From the original text of Nei Tai Fang.)
Take the single ingredient (Honey). In a copper vessel, simmer over low fire until slightly condensed like maltose syrup. Stir constantly to prevent burning or sticking. When moldable, roll by hand into suppositories, sharpening the head. ("Zhi" is pronounced 'zhi lüqie' in Zheng Yun, meaning sticky/adhesive.)

Take one large pig gallbladder. Extract the bile. Mix with a small amount of vinegar. Instill into the anus. After approximately one meal's time, defecation should occur, expelling retained food and foul matter. Very effective. (Original record.)
Song says: Honey cooked until resembling maltose syrup; warming and inserting into the anus is a unique method. Furthermore, bile mixed with vinegar instilled; examine carefully which of these two external methods is appropriate.
Wei's Note: Internal exhaustion of fluids means that although stool is hard, purgation is inappropriate. Select the sweet and moistening nature of honey to guide the Qi of the Large Intestine downward. If heat accumulation occurs in the lower jiao, using the water-nature substance of pig bile to purge downwards will thoroughly cleanse even the formless heat.
According to Nei Tai Fang: Simmer honey in a copper vessel over low fire until slightly condensed like syrup. Stir to prevent burning. It is usable if it solidifies when dropped into water. Dip Suo Jiao Zhi (Gleditsia Sinensis Juice) from two pods into a small bamboo tube inserted into the gallbladder opening (leaving a section exposed), lubricate with oil, insert into the anus, and squeeze the gallbladder with hands so the juice flows out naturally. After one meal's time, stool should pass. Alternatively, cut Tu Gua Gen (Trichosanthes Radix) into finger-like shapes, dip in pig bile, and insert into the anus. This is also usable.