Based on datasets of the monthly turbulent heat fluxes ( 1958-2006) from OAFlux, of NCEP/NCAR reanalysis, of precipitation and temperature in China from China National Climate Center, the spatial characteristics of the heat fluxes over the East China Sea and its relation to rainfall and temperature in China are studied by correlation and composite analysis. The result shows that interannual variability of air-sea turbulent heat fluxes over the East China Sea is the most prominent in winter among the four seasons and has significant interannual and interdecadal variations. The trend of enhancement is clear. On interdecadal time scales, the heat fluxes have evidently simultaneous negative correlation with precipitation, but they have positive correlation with air temperature. Before the abrupt change of climate in 1983, there is good negative correlation between heat fluxes and rainfall on interannual time scales over the lower Yangtze valley. After the abrupt change of climate, a significantly simultaneous negative correlation exists between heat fluxes and rainfall in Huaihe River Basin. The delayed correlation analyses indicate that there is a negative correlation between heat fluxes and rainfall, as well as a positive correlation between heat fluxes and temperature over the Yangtze and Yellow River in late spring.%利用OAFlux月平均热通量、NCEP/NCAR(1958—2006年)再分析和全国160个站的月降水、气温等资料,采用相关分析、合成分析等方法,分析了中国东部海区海气界面热通量变化特征及其与中国冬、春季降水、气温的关系.研究表明,中国东部海区为潜热通量和感热通量年际变化的关键区,冬季变化最为显著,具有明显的年际和年代际变化特征,热通量的增强趋势明显.热通量的年代际变化与同期冬季中国华南降水存在明显正相关,与华北降水存在负相关、与气温存在显著正相关.1983年气候突变前热通量年际变化与同期中国长江下游地区降水有很好的负相关.突变后热通量年际变化与同期淮河流域降水存在显著负相关；与后期春季中国两河流域降水存在显著负相关,与两河流域气温存在显著正相关.
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