味辛温。主五脏，身体寒热，清气下陷之疾。头风脑痛，升散风邪。面 。去皮毛
之风滞。久服，下气，轻身，明目，增年耐老。清气上升则浊气下降，而百体清宁，可永年
矣。
辛夷与众木同植，必高于众木而后已，其性专于向上，故能升达清气。又得春气之最先，
故能疏达肝气。又芳香清烈，能驱逐邪风头目之病。药不能尽达，此为之引也。
味苦平。主腰痛，得桑之气，亦能助筋骨也。小儿背强，驱脊间风。痈肿，和血
脉。安胎，胎亦寄母腹者也。充肌肤，坚发齿，长须眉。养皮毛之血脉。其实主明目，桑性
驱风，肝为风脏，而开窍于目，风去则目明也。轻身通神。寄生乃感风露之气以生，故服之
亦有清虚之妙应。
寄生乃桑之精气所结，复生小树于枝间，有子之象焉，故能安胎。其性与桑相近，故亦
能驱风养血。其生不着土，资天气而不资地气，故能滋养血脉于空虚之地，而取效更神也。
味辛平。主腰脊痛，补中益精气，坚筋骨，强志，其质坚韧者，其精气必足，故亦能
坚定人身之筋骨气血也。除阴下痒湿，补皮利湿。小便余沥。坚溺管之气。久服，轻身耐老
。强健肢体。杜仲木之皮，木皮之韧且浓者此为最，故能补人之皮。又其中有丝连属不断，
有筋之象焉，故又能续筋骨。因形以求理，则其效可知矣。
[ Xin Yi (Magnolia Flower) ]
Taste: Acrid, Warm.
Indications: Primarily treats diseases of the five Zang organs, as well as conditions involving cold and heat in the body, and disorders of sinking of Clear Qi (Qing Qi). It treats head wind and brain pain, possessing the function of ascending and dispersing Wind pathogenic factors. It removes Wind stagnation from the face and skin/hair. Long-term consumption causes Qi to descend, lightens the body, brightens the eyes, increases lifespan, and delays aging. When Clear Qi ascends, Turbid Qi descends, resulting in clarity and tranquility throughout the body, allowing for longevity.
Xin Yi is planted among other trees but grows taller than them before stopping; its nature is specifically directed upward, thus it can ascend and reach Clear Qi. Furthermore, it receives the Qi of Spring earliest, so it can soothe and unblock Liver Qi. Its aroma is fresh and pungent, capable of expelling pathogenic Wind causing head and eye diseases. Medicinals cannot always reach the disease site directly; Xin Yi serves as a guiding herb (Yin Jing Yao).
[ Sang Shang Ji Sheng (Mistletoe on Mulberry) ]
Taste: Bitter, Neutral.
Indications: Primarily treats lower back pain. Having received the essence of the Mulberry tree, it also assists the sinews and bones. It treats rigidity of the back in children and drives out Wind from the spine. It treats carbuncles and swellings by harmonizing blood vessels. It calms the fetus, as the fetus resides parasitically within the mother's abdomen. It fills the flesh and skin, strengthens hair and teeth, and promotes the growth of beard and eyebrows. It nourishes the blood vessels of the skin and hair. Its fruit primarily brightens the eyes. The nature of Mulberry expels Wind; the Liver is the organ associated with Wind and opens into the eyes; when Wind is removed, vision becomes clear. It lightens the body and enhances spiritual clarity. Sang Shang Ji Sheng is generated by absorbing the Qi of Wind and Dew, so consuming it yields subtle effects of clearing and emptiness.
Sang Shang Ji Sheng is the凝结 (condensation) of the Mulberry tree's essence, growing small trees among the branches, resembling the image of bearing offspring, thus it can calm the fetus. Its nature is close to that of Mulberry, so it can also expel Wind and nourish Blood. It grows without attaching to the soil, relying on Heaven's Qi rather than Earth's Qi, thus it can nourish blood vessels in empty/depleted areas, achieving even more miraculous effects.
[ Du Zhong (Eucommia Bark) ]
Taste: Acrid, Neutral.
Indications: Primarily treats pain in the waist and spine. It tonifies the Middle Jiao, benefits Essence and Qi, strengthens sinews and bones, and stabilizes the will. Its texture is tough and resilient, indicating its Essence and Qi must be abundant; therefore, it can also stabilize the sinews, bones, Qi, and Blood of the human body. It eliminates itching and dampness in the genital area, tonifies the skin, and promotes diuresis to resolve dampness. It treats dribbling urine after voiding. It strengthens the Qi of the urinary tract. Long-term consumption lightens the body and delays aging. It strengthens the limbs. Among the bark of the Eucommia tree, the part where the wood is tough and thick is the best, thus it can tonify human skin. Furthermore, it contains fibrous strands that are connected and unbroken, resembling sinews, thus it can reconnect sinews and bones. By seeking the principle through the form, its efficacy can be understood.