First of all, it is suggested to look at Huangdi Neijing and establish a relatively complete health care system with a holistic view of the five elements, viscera, nature and human beings.

I suggest you read the book "Manual for People" again. There are e-books on the Internet. Search them. Based on the modern medical theory system, the author introduces the functions of various systems of the human body by combining the theory of traditional Chinese medicine and the medical theory of Huangdi Neijing.