What is the most prominent feature of traditional Chinese medicine embodied in Neijing?

Overall concept. Neijing is the most prominent embodiment of the holistic concept as a feature of Chinese medicine. Huangdi Neijing is the foundation classic of Chinese medicine theory. Its remarkable characteristics and advantages lie in the holistic medical model, and its theoretical system fully embodies the holistic concept of harmony between man and nature. Huangdi Neijing is divided into Lingshu and Suwen, which is the earliest medical classic in China and one of the four classic works of traditional medicine (the other three are Difficult Classic, Treatise on Febrile Diseases and Shennong Herbal Classic).