中文摘要：

近年来,城乡收入差距问题成为重要的研究领域,国内众多学者分别从不同视角积极探寻其规律.河南是中部崛起的重要组成力量,其城乡收入差距问题正影响着河南省在中部崛起中的功能发挥,因此必须深入研究.通过演化阶段划分、地区类型划分,以及灰色系统分析,发现河南省1978年至今的城乡收入差距演化历程呈＂W＂变化曲线;河南东部、南部和西部城乡收入差距较大,城乡收入区域差异明显;各省辖市经济发展水平及其内部因素作用强度差异是形成城乡收入区域差异的重要原因.

英文摘要：

In recent years,the research on urban-rural income inequality becomes an important research field,many domestic scholars positively seek its law from different perspectives.Henan Province plays an important role in economic development in China,but the urban-rural income inequality existing in Henan province is affecting its function,therefore,the examine of the problem is of necessity.By means of dividing the evolutionary stages and the area types,and the gray system theory,we found that the evolutionary process of urban-rural income inequality from 1978 to 2009 is expressed as a ＂W＂ curve;the regions of urban-rural income inequality locate in the eastern region,the western region and the southern region in Henan;and the difference of the economic development level of various municipalities and the effect intensity differences of its internal factors are important reasons.