In the book of “The Key to Enter Ancient Medicine”, it is tried while admiring the achievements of the modern medicine, to state the subjects of ancient medicine with the literature of modern medicine and compare them with those of modern one. Hence, first of all, some subjects of ancient medicine like recognition of spirits and senses, the combination of human body, main temperaments and their signs, humors, the six necessary principles for healthy life and other temperaments and essences (the essences of seasons, of ages sexes, body organ, foodstuffs, fatness or thinness and…) are stated and then it states explanations of modern medicine in the field of body immunity, genetics, hormones balancing system and … . Finally, it introduces some properties of medical plants and side effects of chemical drugs.

The writer of the present book is a researcher and founder of the Koranic medicine. It is more than 30 years that besides teaching, the writer of this book carried out extensive researches in the field of human nutrition and health and due to his innovations he could receive two certificates of honorary diplomas of Iran’s associations of Innovators and Inventors. One of them was given to him for curing infertility (endometriosis) by applying diet. In his book, the writer by retelling us the basics and principles of ancient medicines and their effects on human health attempted to remind this proved belief of the ancient medicine that harmony of three temperaments (temperaments of foodstuffs, human and season) is the way to preventing diseases