孟诜 Meng Shen — Daoist Healer & Father of Food Therapy

Origins and Early Life

Meng Shen was born in Liang, Ruzhou — present-day Ruzhou, Henan Province — during the early years of the Tang Dynasty. Henan in that era was a crossroads of culture and learning, and Ruzhou in particular had long been home to communities where Taoist practice and classical scholarship coexisted without tension. It was an environment that shaped Meng Shen’s instincts from the start.

He registered as a Taoist priest at Tianxian Guan (天仙观, Tianxian Taoist Temple), entering a tradition of ordained practice that in the Tang period was closely intertwined with the imperial court’s patronage of Taoism. The Tang emperors, claiming descent from Laozi himself, elevated the Taoist clergy to a position of unusual prestige — and temples like Tianxian Guan were not merely places of worship but centers of medicine, astronomy, and natural philosophy.

Studying Under Sun Simiao

The most formative relationship of Meng Shen’s life was his discipleship under Sun Simiao (孙思邈, c. 581–682 CE) — the physician-sage known to posterity as the “King of Medicine” (Yaowang, 药王). Sun Simiao was himself a Taoist practitioner of deep conviction, and his monumental works Beiji Qianjin Yaofang and Qianjin Yifang remain foundational texts of Chinese medicine to this day.

What Sun Simiao passed on to Meng Shen was not merely a body of pharmacological knowledge. It was a way of seeing: the understanding that healing and self-cultivation are the same endeavor approached from different angles. In Taoist medicine, the physician does not simply treat disease — he reads the patient’s relationship with Heaven, Earth, and the seasons, and restores the natural flow of qi that illness has disrupted. Meng Shen absorbed this perspective completely, and it would define everything he wrote.

Abbot of Xiantang Guan

After his years of study, Meng Shen rose to serve as abbot of Xiantang Guan (咸宜观, Xiantang Taoist Temple). The role of abbot in a Tang-period Taoist temple was considerably more demanding than the title might suggest. An abbot oversaw not only the ritual life of the community but also its medical practice, its library, and often its relationships with local officials and the surrounding population.

It was in this capacity that Meng Shen developed his particular expertise in yaojin (药金) — artificially refined gold used in traditional Chinese medicine and Taoist alchemical practice. The ability to identify genuine yaojin and distinguish it from inferior substitutes required both chemical knowledge and years of hands-on experience. That Meng Shen was noted for this skill tells us something about the seriousness with which he approached the material dimensions of Taoist cultivation.

The Shiliao Bencao 食疗本草

Meng Shen’s enduring contribution to Chinese civilization is the Shiliao Bencao (食疗本草, Bencao for Food Therapy) — the first work in Chinese history to systematically treat food as medicine. The New Book of Tang · Bibliographic Treatise records it among the canonical medical texts of the dynasty, a remarkable distinction for a work that might today be called a nutritional guide.

The underlying logic was entirely consistent with Taoist thought: the body is a microcosm of the universe, governed by the same principles of yin and yang, the five phases (wuxing), and the circulation of qi. Food, like herbs, like ritual, like meditation, is a means of aligning the inner world with the outer. Eat in harmony with the seasons and your constitution, and the body finds its own equilibrium. Eat against them, and illness follows as naturally as water flows downhill.

This is not folk wisdom dressed up in classical language. It is a coherent medical philosophy — one that modern nutritional science has, in many respects, been slowly rediscovering.

A Life of Ninety-Three Years

Meng Shen passed away in the early Kaiyuan era of the Tang Dynasty — sometime between 713 and 721 CE — at the age of ninety-three. In an age when reaching sixty was considered a full life, ninety-three was extraordinary. It was not lost on his contemporaries that the man who had spent his life teaching others how to eat for longevity had himself lived to an exceptional age.

Whether this was the result of his dietary practice, his Taoist cultivation, his constitution, or simply good fortune, no one can say with certainty. But the symmetry was noted, and it added a quiet authority to everything he had written.

Meng Shen and the Living Taoist Tradition

Meng Shen belonged to a Taoist world that was, in many ways, the direct ancestor of the tradition that continues today. The Tang Dynasty was the period in which the major Taoist schools consolidated their identities, their ritual systems, and their relationships with the imperial state. The Zhengyi (正一) tradition — rooted in the Celestial Masters lineage that traces its origins to Zhang Daoling on Dragon Tiger Mountain — was already the dominant form of ordained Taoist practice in much of China, and the temples where Meng Shen lived and worked operated within this broader framework.

The Zhengyi approach to Taoism has always emphasized the integration of practice into daily life: ritual, medicine, ethics, and cultivation are not separate departments but aspects of a single orientation toward the Tao. Meng Shen’s work on food therapy is, in this sense, a perfect expression of the Zhengyi spirit — the conviction that the sacred is not confined to the altar, but present in every meal, every breath, every season.

If you find yourself drawn to the idea that how we live — what we eat, how we rest, how we move through the world — is itself a form of spiritual practice, you are already thinking in the way that Meng Shen thought. That instinct has a name, a history, and a living tradition behind it.