Library

*Anlao Huaiyou* (Four volumes, compiled by Liu Yu, Vice Commissioner of Shanxi and from Yingchuan, Henan, during the Ming Dynasty.)
*Yixue Zhiyi* (Medical Questions and Doubts), *Tongshu Zhenfa* (Unified Diagnostic Methods), *Zhengzhi Yaolüe* (Essentials of Syndrome Differentiation and Treatment) (All written by Wang Huan from Xin'an.)
*Lizhai Waike Sishu* (Four Books on Surgery by Lizhai) (Written by Xue Ji, Hospital Judge during the Ming Dynasty.)
*Lifeng Hengchi*
*Shizhi Tongshuo*
*Yueling Tongzuan*
*Yu Shi Yijing*
*Yanhou Fengke*
*Shishan Yi'an* (Case Records of Shishan), *Douli Libian* (Differentiation of Management for Smallpox), *Waike Lili* (Principles of Surgery), *Zhenjiu Wenda* (Q&A on Acupuncture and Moxibustion) (All compiled by Wang Ji from Xin'an.)
*Songya Yijing* (Four volumes, authored by Cheng Jie of Songya. Cheng Jie was from Huaithang, Xin'an, passed the Jinshi examination in the mid-Chenghua era, was proficient in medicine, expounded on the syndromes of the Five Zang and Six Fu organs from Huangdi Neijing [Yellow Emperor's Inner Canon], using deficiency and excess as treatment guidelines, but failed to have it printed. The current *Zhe Gong Lu* is his original book.)
*Chanbao Baiwen*
*Tai Chan Xu Zhi* (Two volumes, authored by Gao Bin from Jiangyin.)
*Guangsi Yaoyu* (Authored by an anonymous writer in the early Jiajing era of the Ming Dynasty.)
*Sanlian Ge* (Authored by Deng Shilu from Western Shu during the Ming Dynasty.)
*Faming Zhengzhi* (Compiled by He Taiying.)
*Huoren Xintong*, *Zhuzheng Bianyi* (Both compiled by Wu Qiu from Zhejiang. In *Bianyi*, it is stated that contracting Cold Damage in June or Summerheat in winter is particularly absurd and deceptive. This is its error.)
*Yijing Dazhi* (Four volumes, compiled by He Yue from Zhejiang.)
*Mingyi Zhizhang* (Ten volumes, compiled by Huangfu Zhong from Renhe, Hangzhou.)
*Bao Ying Zhizhi* (Four volumes), *Douzhen Xuanji* (Four volumes, authored by Zhi Bingzhong from Taicang.)

To untie bonds and relieve hardships, preserve true Yuan Qi and guide vital energy, to save the common people in benevolence and longevity, and to rescue the frail to obtain peace—this cannot be achieved without the Dao of the Three Sages. Kong Anguo, in his preface to *Shangshu* [Book of Documents], said: The books of Fuxi, Shennong, and Huangdi are called "Sanfen" [Three Tombs], speaking of the Great Dao. Ban Gu in *Han Shu · Yiwen Zhi* [Bibliographic Treatise of the Book of Han] stated: *Huangdi Neijing* [Yellow Emperor's Inner Canon] consists of eighteen volumes. *Suwen* [Basic Questions] comprises nine of these canonical volumes, combined with *Lingshu* [Spiritual Pivot] nine volumes, totaling eighteen. Although eras shifted and dynasties changed, the transmission of learning remained; fearing it would fall into unworthy hands, it was kept hidden at times. Thus, volumes seven through eleven were kept by the Shi family; what is currently practiced are only eight volumes. However, its text is concise, its meaning broad, its principles profound, and its interest deep. The images of heaven and earth are distinguished, the signs of Yin and Yang are listed, the causes of change are expressed, and the omens of life and death are revealed. Without planning, distant and near naturally align; without agreement, the obscure and the clear enter into covenant. Examining its words yields verification, testing its facts reveals no error; it can truly be called the source of the Supreme Dao and the beginning of nourishing life.

If the heavenly mechanism is swiftly triggered, and one achieves profound understanding and mystical penetration, although strategic concealment may belong to innate knowledge, standards and styles also rely on ancient teachings. There has never been walking without a path or exiting without a door. Yet, by deliberately studying intricacies and exploring subtleties to uncover secrets, if one's insight coincides with the essential truth, then one sees the ox not as a whole but in its parts [idiom for mastering a skill completely]. Therefore, actions yield success, as if aided by spirits and gods, and world-renowned geniuses emerge intermittently. Thus, Zhou had Duke Qin, Han had Chunyu Gong, Wei had Zhang Gong and Hua Gong, all of whom grasped the essence of this Dao. They daily renewed their applications, greatly benefiting the masses, with flowers and leaves flourishing in succession, reputation matching reality. This is likely due to the prominence of teaching, and also the bestowal of Heaven.

In my youth, I admired the Dao and cherished health preservation. Fortunately, I encountered the true classics and took them as my oracle and mirror. However, worldly editions contained errors and omissions, chapters overlapped, sequences were illogical, and textual meanings were disconnected, making practice difficult and comprehension hard. Over time, these accumulated into flaws. Some chapters appeared repeatedly under different names; some treatises were merged yet listed separately; some Q&A sessions were interrupted by new chapter titles; some bamboo slips were lost, claimed to be missing from the world. Canonical texts were overlaid with acupuncture and herbal prescriptions; formulas suitable for specific conditions were turned into cough chapters; deficiency and excess were separated into reversal and compliance discussions; meridians and collaterals were merged into essential theories; skin regions were reduced to meridian descriptions, demoting the Supreme Dao to prioritize acupuncture. Such irregularities are countless. Just as climbing Mount Tai requires a path, and reaching Fusang requires a boat, so too did I diligently seek out experts. After twelve years, I finally reached the core of the principles, consulting on gains and losses, fulfilling my long-held aspirations. At that time, in the study of Master Guo, I received the secret manuscript of my late teacher, Master Zhang. The text was clear and bright, the principles coherent and complete. Upon detailed examination, all doubts melted like ice. Fearing it would scatter among superficial learners and cut off the lineage of teachers, I wrote annotations to ensure its immortality. Combining old volumes, I assembled eighty-one articles into twenty-four volumes, compiling them into one work. I hope to clarify the end by understanding the beginning, integrate commentaries with classics, enlighten the ignorant, and propagate the supreme truths.

For sections where bamboo slips were lost and text broken, with disjointed meanings, I searched for relevant content in other classics and moved it to fill the gaps. For chapters with missing titles or unclear references, I measured their intent and added characters to clarify their meaning. For merged treatises with unrelated meanings or missing titles, I categorized the subjects and created new headings for each chapter. For dialogues between ruler and minister where etiquette was flawed, I examined hierarchy and added content to enhance the meaning. For disordered slips and fragmented texts with repetitions, I carefully analyzed the purport, removed redundancies, and preserved the essentials. For secret principles difficult to explain crudely, I separately composed *Xuanzhu* [Pearl of Mystery] to elaborate on the Dao. All added characters were written in red ink, ensuring a clear distinction between ancient and modern texts, preventing confusion. May this illuminate the sage's will, expound profound words, like stars hanging high in orderly constellations, or clear springs dividing fish and turtles. May rulers and ministers avoid premature death, and all peoples hope for extended longevity. May practitioners avoid errors, and students attain clarity, allowing the Supreme Dao to flow freely and its beautiful sounds to continue. A thousand years later, they will know that the Great Sage's compassion is infinite. Preface in the first year of Baoying, Ren-Yin year, of the Great Tang.