Based on the theory of five evolutive phases and six climatic factors, by analyzing the clinical characteristics of climate in 2019 from several aspects such as five evolutive phases and six climatic factors and eliminating exogenous pathogenic factors.The author found that at the beginning of the spring season, attention should be paid to dredging and promoting Shaoyang and warming yang, not forgetting to diffuse superficies.The temperament of the three qi is flat and the wind is stagnated, and the four qi and damp heat fight so heat, dampness and spleen should be focused.While at the end of the winter season, attention should be paid to clearing heat, promoting dampness and invigorating the spleen. In the prevention and treatment of diseases, at the same time we should " regulate upper qi with pungent drugs, and regulate lower qi with salty drugs " .