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Among medical texts, the most ancient and credible are none other than the *Suwen* (Plain Questions) and the *Nanjing* (Classic of Difficult Issues). Regarding the secrets of acupuncture and moxibustion, these two works are particularly detailed. They explore the meridians and blood vessels, yin and yang, exterior and interior of the human body, thereby establishing the root causes of all diseases. Methods such as needle, stone, decoction, and fire therapy each have their appropriate applications and precise timing. How could techniques like retrieving needles with lodestone compare? However, people often worry that annotations and interpretations deviate from the original meaning. Incompetent practitioners using these methods often violate medical principles, rarely failing to worsen the condition instead of curing it; is this not a matter requiring caution? Gao Wu, courtesy name Meigu, from Siming, compiled the *Zhenjiu Yaozhi* (Essentials of Acupuncture and Moxibustion) and *Juying*, totaling three fascicles. Everything is based primarily on the *Suwen* and *Nanjing*, while attaching commentary to the specialized theories of later famous experts. His intention was extremely diligent. Dai Gong from Dongshi personally corrected them and entrusted them to printers, instructing Tao Jun Shiwen to carve the woodblocks and publish them. This was done to widely disseminate them to the world, hoping that people would know whom to emulate and how to apply them, so that errors might be avoided. The benevolent governance of scholars is generally like this. Master Tao requested me to write a few words as a preface, so I inscribed these lines at the beginning of the manuscript, enabling the world to know that the transmission of this book indeed began with these two gentlemen, and that medicine remains free from error. Thus, what merit can be overlooked in Mr. Gao's contribution? Written by Huang Yi of Yiyang at Jiutan Jingshe on the ninth day of mid-summer in the Dingyou year of the Jiajing era.

1. *Nanjing* Selected Essentials: First, select methods for manipulating needles for tonification and sedation; second, select the Jing-River, Ying-Spring, Shu-Stream, Jing-River, and He-Sea points; third, address the meridians, grouping them by category without adhering to the old chapter order.
2. *Suwen* Selected Essentials: First, discuss the Nine Needles; second, discuss tonification and sedation; third, discuss various methods; fourth, discuss disease-specific needling; fifth, discuss meridians. The content is extensive, disregarding the old textual chapters.
3. Although there are many commentaries on the *Nanjing*, only the fundamental interpretation by Master Hua (Hua Sha), which synthesizes various views, is retained.
4. Works that support the *Nanjing* have their collected notes appended under each relevant item.
5. Commentaries on the *Nanjing* that do not align with the scriptural intent are privately doubted; this is not to recklessly criticize predecessors, but to seek clarity in the underlying principles.
6. The *Suwen*, *Neijing* (Inner Canon), and *Lingshu* (Spiritual Pivot) previously had Wang Bing's commentary. Critics argue it contains many forced interpretations; therefore, these are removed, and only the original text is recorded.
7. The *Suwen* is vast; now, selected essentials are organized under titles and categories to facilitate memorization and recitation.
8. Predecessors stated that the chapter order of the *Suwen* is disordered, with misplaced bamboo slips inevitable. The current selection either records full chapters or excerpts sections, then groups them by theme. Diagrams are included in the book to clarify meanings; where applicable, diagrams are provided. These are placed at the beginning of the volume for reference.