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Yubai Pi (Ulmus Cortex): The nature is sweet and neutral, entering the Taiyang Large Intestine, Taiyin Small Intestine, and Shaoyang Bladder meridians. It facilitates childbirth by lubricating the fetus, unblocks orifices, and promotes the free flow of urination and defecation. There are two varieties: red and white, with similar functions. When ground into powder, it can temporarily serve as food in years of famine.

Dongsangye (Mulberry Leaf): The nature is sweet and neutral, entering the Blood aspect to dispel wind, resolve dampness, kill parasites, and regulate menstruation; it is a specific medicine for stubborn Bi syndrome (obstruction syndrome) and wind sores. It is contraindicated in cases of Blood deficiency.

Duzhong (Eucommia Bark): Sweet, warm, and slightly acrid, entering the Liver and Kidney meridians to tonify deficiency, relieve pain, calm the fetus, and heal tendons and bones; it is a specific medicine for various pains in the lower back and knees. It should be used after stir-frying with salt water or wine.

Hehuanpi (Albizia Bark): The nature is sweet and neutral, entering the Heart and Spleen meridians to soothe the spirit and elevate mood; it makes one joyful and carefree, hence its name (Hehuan).

Leiwu (Wanaria Seed): Pungent and bitter, warm in nature, entering the Stomach and Intestines to kill parasites and transform accumulations; it is a specific medicine for parasitic abdominal pain.

Daji (Euphorbia Root): Bitter and cool, heavy and sinking, promoting diuresis and unblocking the intestines, with effects similar to Daji (Euphorbia Pekinensis). Drinking its juice can detoxify arsenic poisoning; the leaves are even more effective, but its purgative action is extreme, and it is also contraindicated in deficient individuals. Applying it topically is effective for swellings, toxic sores, and scabies.

Sumu (Sappan Wood): Also known as Sufangmu. Sweet, salty, pungent, and neutral, entering the Three Yin Blood aspect to promote blood circulation, remove stasis, and vent wind pathogens from the exterior and interior. Iron should be avoided; do not use if there is no blood stasis.

Ganqi (Lacquer Tree Resin): Pungent, warm, and highly toxic, specializing in breaking blood stasis and killing parasites. Blood turns to water upon contact with Ganqi. It must be stir-fried until smoke ceases before use; only aged, long-stored resin should be used. Contact with crab juice also causes it to turn to water, with crab roe being particularly effective.

Banmao (Mylabris): Pungent and hot in nature, toxic, using its oil for medicinal purposes to attack toxins, treat sores, and kill parasites.

Badou (Croton Seed): Pungent, hot, and highly toxic, driving out deep cold from the Zang organs, unblocking collaterals, and inducing abortion; it is the most fierce general for "breaking through gates." Note: Dahuang (Rhubarb) and Badou are both drastic purgatives, but Dahuang is cold in nature and suitable for Fu organ excess-heat conditions, whereas Badou is hot in nature and suitable for Zang organ accumulation with excess-cold conditions.

(Shrub category, Bao wood category, Yu wood category)

Pipaye (Loquat Leaf): Sweet and pungent, cold in nature, entering the Lung meridian to drain fire, clear the Lungs, regulate cough, and stop asthma; it is a specific medicine for asthma and cough caused by Damp-Heat affecting the Lungs. For draining fire, use raw; for stopping asthma, it is contraindicated in cases of Lung deficiency without fire, as well as Wind-Cold asthma and cough.

Jianghuang (Turmeric Rhizome): Bitter and neutral in nature, acting horizontally on the arms; it dispels Wind-Dampness and unblocks joints, serving as a guiding specific medicine for Wind-Cold-Damp Bi syndrome and pain in the limbs and joints. It should be used after stir-frying with wine.

Shuang Sangye (Frost Mulberry Leaf): This is the mulberry leaf after frost. Bitter and sweet, cool in nature, entering the Lung meridian to clear and descend Qi transformation, eliminate dryness, and reduce fever; it is a specific medicine for Lung deficiency with accompanying heat.