First, Huangdi Neijing is the first classic of TCM theory.
The formation of traditional Chinese medicine as an academic system began in Huangdi Neijing, which systematically expounded the principles and methods of human physiology, pathology, disease and treatment for the first time and made great contributions to human health.
Second, Huangdi Neijing is the first encyclopedia about life.
Huangdi Neijing focuses on life and talks about medicine, astronomy, geography, psychology, sociology, philosophy and history. It is an encyclopedia around life problems, and its content is very rich.
Therefore, to learn this book well, you must be a health expert.