To explore the correlation between Bronchitis morbidity and Ganzhi yun qi or meteorological factors in Beijing.Methods:The bronchitis cases were collected in Dongzhimen Hospital of Beijing University of Chinese Medicine from 1999 to 2011(totally 12 years).The bronchitis cases at different periods of circuits or qi were calculated to analyze the difference in the constituent ratio of hospitalized bronchitis cases at different periods.Spearman was used to analyze the correlation between hospitalized data and meteorological factors.Results:The constituent ratio of hospitalized bronchitis cases was the highest at Bing year-excess of water-yun among different heavenly stems，water-yun among different circuit phases，Taiyanghanshui among different celestial manager qi，and the difference was statistically significant(P<0.05＝The morbidity of bronchitis was negatively correlated to average precipitation，average temperature，average vapor pressure and average relative humidity at the same Solar Term and prior Solar.Conclusion:The morbidity of bronchitis has differences at different Heavenly Stems，circuits and six qi periods，and correlated to meteorological factors，especially “dryness” and “coldness”.