Abstract: To select maize varieties with tast kernel dehydration rate, 23 early-maturing maize high-generation lines and 4 inbred lines were used as experimental materials, and 92 combinations were used tor incomplete double-cross hybrid design to assess their ear yield traits and spikes. The 8 indicators were correlated with the dehydration rate of mature kernel by related analysis and path analysis. The resuhs showed that the ear coarseness, axis coarseness, kernel length, and 100- kernel weight were all significantly negatively correlated with the kernel dehydration rate ;the spike length was negatively correlated with the kernel dehydration rate but not significantly ; the water content of the coriander leaves during ripening and the water content of the kernel during harvest were all significantly negatively correlated with the kernel dehydration rate. The resuhs of path analysis showed that the direct pass coefficient of kernel length, axis thickness, ear diameter, kernel weight and kernel dehydration rate was negative; the coefficient of the water content of kernel during harvest and the moisture content of the coriander leaves was negative. When breeding fast dehydrated varieties, the ear should be chosen smaller and 100-kernel weight should not be too large and the combination of low moisture content of mature leaves.