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目的探讨北京市冬季霾天气与急性心脑血管和呼吸系统疾病发病例数的相关性，为评价霾天气对人体健康效应影响研究提供依据。方法收集2006年~2013年冬季北京120急救出诊的心脑血管和呼吸系统疾病数据，以及北京市专业气象台提供的同期霾天气资料，运用单因素相关分析研究霾日数与疾病发病例数的关系。结果三类疾病发病例数和霾日数均呈现逐年上升趋势。三类疾病平均日发病例数在霾日均高于非霾日。霾日数与疾病发病例数呈现显著正相关关系，且对疾病发病影响存在一定的滞后性。结论霾天气对心脑血管和呼吸系统疾病发病有一定影响，霾日数增多可导致疾病急性发病例数增加。“,”Objective To explore the correlation between haze and the acute cardiovascular and respiratory diseases in winter of Beijing, and provide the basis for the evaluation on human health. Methods Data of the acute cerebrovascular and respiratory patients called for 120 emergency between 2006 and 2013 were collected, and the haze data collected from Beijing professional observatory. The relationship of between the haze and diseases were analyzed by single factor analysis. Results The three diseases and the number of haze days showed a rising trend year by year. The three diseases incidence is higher in the haze days than in non-haze days. It is significant positive correlation between the number of cases of haze days with the disease incidence, and effects have a certain lags. Conclusion The haze have a certain influence on the incidence of cardiovascular and cerebrovascular and respiratory diseases, the increasing haze days maybe can lead to the increased number of cases of the disease.(the increasing haze days can lead to the increased number of disease case).