目的分析2004-2012年济南市手足口病、细菌性痢疾、流行性脑脊髓膜炎、流行性乙型脑炎等常见传染病发病的季节性特征,为采取针对性防控措施提供依据。方法应用集中度分析法和圆形分布法进行分析。结果乙脑、甲流有较强季节性;风疹、菌痢、手足口病有明显季节性;百日咳、麻疹、布病有一定的季节性;肺结核、伤寒、疟疾、流脑等全年散在发病。结论不同的传染病,其发病的季节性也有很大的差异,应根据其发病特点采取针对性的防控措施。 Objective To analyze the seasonal characteristics of common infectious diseases such as hand, foot and mouth disease, bacillary dysentery, epidemic cerebrospinal meningitis and epidemic encephalitis in Jinan City from 2004 to 2012, and provide the basis for taking targeted prevention and control measures. Methods The methods of concentration analysis and circular distribution were used to analyze. The results showed that there was a strong seasonal epidemic in JE and A; rubella, bacillary dysentery and hand-foot-mouth disease were obviously seasonal; pertussis, measles and brucellosis were seasonal; tuberculosis, typhoid fever, malaria and meningitis were scattered throughout the year . Conclusion Different infectious diseases, the seasonal onset of the disease is also very different, according to the characteristics of its incidence to take targeted prevention and control measures.