"Six climatic factors"is an important concept in traditional Chinese medicine. Its conceptual connotation is also enriched with the development of literature. Starting from the original meaning of the text

through reviewing the relevant documents of ancient and modern times

this paper combed the development process of the "six climatic factors"

and analyzed the development and changes of "six climatic factors"in different periods in history and the predecessors’ summary of the development process of "six climatic factors". It is believed that "six climatic factors"in the medical literature first appeared in the Inner Canon of Yellow Emperor（ 《黄帝内经》）

and in Plain Questions（ 《素问》） it refers to the six climates of "cold

summer

dry

wet

wind

fire"

and in Miraculous Pivot（ 《灵枢》） it refers to the human essence

qi

fluid

water

blood

meridian. Later

the works of the past generations were developed on the basis of the five evolutive phases and six climatic factors theory of Plain Questions

so as to explain the climate changes

human physiology and pathology

and to guide clinical diagnosis and treatment.