Human health problems due to fog and haze weather have aroused widespread concerns in society. The doctrine of five evolutive phases and six climatic factors explains the physiologic and pathologic influence of natural climate on human body. Based on this

the doctrine guides people to draw on the advantages and avoid disadvantages. As for fog and haze leading to diseases

the internal cause is mainly meteorological movement and climate change influencing human body

while harmful physical and chemical substances of different properties in the air are only part of the external causes. To treat diseases due to fog and haze from the doctrine of five evolutive phases and six climatic factors

the changes of five evolutive phases

six climatic factors and evolutive phase-climatic factor combination should be considered comprehensively in the incidence time. According to treating disease and medication regularity of the doctrine

basic principles of treating the disease could be set. When using the basic treating principles of the doctrine

differences in the composition of fog and haze in different regions

as well as the susceptibility of different populations should be considered to treat based on syndrome differentiation.