中文摘要：

中部地区“三农问题”突出，人地关系紧张，农民外出务工对农民收入增长具有重要作用。本文根据农民收入来源构建了农民外出务工对农民收入的直接贡献测算模型，定量评价了2001--2005年我国中部地区农民外出务工对农民收入的贡献，为制订相应管理政策提供了理论依据。

英文摘要：

The rural labor emigration plays important roles in enhancing rural income in Central China. In light of theiscrimination of income source of rural households,modes for computing contribution of rural labor emigration are found. The direct impact of rural labor emigration on rural income in Central China from 2001-2005 are investigated based on the models.The research will provide theory proof for making policies and rules concerning about the rural labor emigration in Central China.