Tills article reportea the effects of Qingdao area's meteorological factorsand Seasonal Varicty on the acute episodes of chronic Bronchitis in 245 cases. Theresults showed that the acute episodes of chronic bronchitis occured more often inMay to July. Meanwhile,lt Was found that there was a cloSe relationship betweenmeteorlogical factovs such as low air temperature,low air presur and sour fog etc.and the acuteepisodes of chronic bronchitis. It suggested the four months namelyAugust. sepember,october and Norember are the best sonatorial time for receivingchrnic Bronchitis.