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Mr. Tu Weisheng is my intimate friend with whom I share all thoughts. He has a straightforward and upright character, extraordinary aspirations, and is diligent in learning with profound thinking abilities. In the fifth year of the Republic of China (1916), he graduated from the Henan Southern Normal School. Just as he was about to display his knowledge and make his mark on the world, due to his aloofness and indignation at the times, he retreated to his hometown. There, he immersed himself daily in classics and studied bronze inscriptions and stone carvings. Amidst chanting poetry and writing calligraphy, he occasionally dabbled in books on various schools of medicine. At that time, the local area suffered from epidemics, while rural areas lacked medical care. When he tried his skills to treat people, none failed to survive. He then sighed, realizing that for a scholar to benefit the world, one must encounter the right timing. Figures like Yu the Great, Hou Ji, and Bo Yi, if not born in prosperous ages, would remain commoners, rotting alongside grass and trees. How could this compare to the ease with which figures like Cang Gong (Chunyu Yi) and Bian Que established virtue in their times and passed benefits to posterity? Thus, he devoted himself even more to medicine, exploring its depths and mysteries. With painstaking effort and unique insight, he exhausted the secrets of *Huangdi Suswen* (Yellow Emperor's Inner Canon: Plain Questions) and the profundities of Leigong and Qibo. His techniques became increasingly refined, and the number of people he saved grew larger. Those who received his grace have engraved it in their hearts and mouths; there is no need for me to add weight or lightness to his reputation. In the spring of Bingyin (1926), he came to Liang (Kaifeng) for business. Friends advised him to open a clinic. He replied that an individual's power is limited, and the number of lives saved would be few. Therefore, he compiled excellent texts on pediatric aphonia (infantile loss of voice or swallowing difficulties). Lamenting the lack of good physicians in the world, he worried and planned to first compile books to save the world, and then verify and correct various medical texts. This summer, the book *Tuina Juewei* (Essentials of Tuina) was completed, and he asked me to write a preface. I said that Mr. Tu has collected famous sayings from various schools, based on years of experience, elucidated obscure and subtle principles, and made many discoveries. It can truly be called a raft for newborns and a lucky star for infants. However, I still hope that Mr. Tu will extend this ambition, spreading benevolence to the whole world, not just gaining fame as a physician.

On the 20th day of the sixth month of Wuchen (1928), your humble servant Zhang Shijie, a fellow townsman named Muyun, respectfully wrote the preface.

In my youth and prime, I suffered from frequent illnesses and soon abandoned Confucian studies for medicine. I studied books such as *Neijing* (Inner Canon), *Nanjing* (Classic of Difficult Issues), and *Shanghan Lun* (Treatise on Cold Damage Disorders). Originally, I was not proficient in pediatric specialties. However, when treating children, I often applied methods used for adults, and these treatments frequently proved effective. This is because the tender viscera of children, apart from being unable to tolerate heavy doses of potent medicines, are not fundamentally different from those of adults. The difference lies mainly in the varied temperaments of children, creating distinctions between those who can take medicine and those who cannot. Facing this difficulty, I repeatedly sought other quick and easy methods. Soon, I heard of a man named Tao Shi'an in the southern part of the town who excelled in Tuina (Chinese therapeutic massage). I admired him and occasionally practiced this technique, using hands instead of medicine. However, the Tuina books I purchased were only a few types: *Tiejing Lu* (Record of the Iron Mirror), *Tuina Guangyi* (Broad Meaning of Tuina), and *Baochi Tuina* (Protecting Infant Tuina). Xia Yuzhu's *Tiejing Lu* covered symptoms and treatments roughly, but its Tuina methods were too simplistic. Chen Zishan's *Tuina Guangyi* briefly prepared Tuina content, but its handling of various convulsive disorders was absurd. Xia Yingbai's *Baochi Tuina* had simple laws and precise techniques, but lacked methods for syndrome differentiation and medication. Using it to treat pediatrics, how could one consider success as guaranteed as holding a voucher? Observing these gains and losses, I had long harbored the ambition to rewrite and compile works, but time did not wait, and I failed to realize my wish. In the winter of Yichou (1925), Master Jiang E guarded Xinyang. As I was confined within the city walls with nothing to do, I finally began compiling. A month later, the siege was lifted. Time was scarce, making completion difficult. In the summer of Bingyin (1926), I arrived in Bianyuan (Kaifeng). From winter through spring, summer, and autumn, spanning eleven months, I finally finished the manuscript. Alas! Although this book references various schools and is somewhat杂乱ly assembled, leaving room for criticism, my heart and ambition always hoped it would offer some small benefit to the world.

Preface by Tu Weisheng of Xinyang, Henan, at his medical room in Bianyuan, on the 17th year of the Republic of China, Wuchen (1928).