There are several versions of Xuan Yin's legacy.

There are four versions of Xuan Yin's legacy.

The Secret of Xuan Yin is a book published by Traditional Chinese Medicine Ancient Books Publishing House on September 1 2065. The author is Rong Chenggong. The Secret of Xuan Yin consists of four parts: Nine Needles, Nine Intestines, Huangdi Neijing (Taiyi Edition) and Yin and Yang Theory.

They all discuss and explain the function of human viscera based on the natural phenomena and changes of heaven and earth, and talk about medicine and human classical medicine based on the theory of heaven and earth. All of them are preserved in Taoism and Taoist doctors in the form of word of mouth and master-apprentice transmission, and have not been published so far.

Among them, Huangdi Neijing is very different from the current edition in terms of length, content and theoretical viewpoint. Another example is the viscera mentioned in Jiu Chang Ji, which is the beginning of viscera science in traditional Chinese medicine and the embryonic form of understanding human organs before the formation of the theory of five zang-organs Studying and studying this book can help readers to understand different theories and understandings outside the current theory of traditional Chinese medicine.

The Secret of Xuan Yin is a wonderful book written by Rong Cheng in Shang Dynasty. They all discuss and explain the function of human viscera based on the natural phenomena and changes of heaven and earth, and talk about medicine and human classical medicine based on the theory of heaven and earth.

All of them are preserved in Taoism and Taoist doctors in the form of word of mouth and master-apprentice transmission, and have not been published so far. Among them, Huangdi Neijing is very different from the current edition, and there are many differences in length, content and theoretical viewpoints.

Another example is the viscera mentioned in Jiu Chang Ji, which is the beginning of viscera science in traditional Chinese medicine and the embryonic form of understanding human organs before the formation of the theory of five zang-organs Studying and studying this book can help readers to understand different theories and understandings outside the current theory of traditional Chinese medicine.