中文摘要：

在城镇化建设大力推进的背景下,研究农户参与非农活动是否对耕地利用产生负面影响具有较强的现实意义。从农户家庭分工的视角,对不同经济发展水平区域不同分工状态下农户耕地利用效率成本进行比较研究,得到以下结论：（1）被调查农户中有78.69%从事非农产业生产,其中有42.19%是家庭完全分工状态;（2）3种分工状态下的农户耕地利用成本效率均有不同程度的损失,其中不完全分工状态下的农户耕地利用成本效率损失最高;（3）合理引导农户非农化,使之形成专业化分工,对耕地利用效率和农户家庭经济的改善均具有积极的作用。

英文摘要：

Under the background of urbanization construction,it has significance to research whether farmer who participates in non-agricultural activities has negative impact on arable land or not.This thesis compared cost-efficiency of peasant households which were in different state of division of labor land use in different areas,under the perspective of division of labor.The results showed that 78.69% of farmers involved in the non-agricultural industry,which contained42.19% complete division; in the three situations of labor division,cost-efficiency of land use had different level of lose;through advisable guidance for farmers towards non agriculture,the specialized farmer households would play a positive role in the improvement of cultivated land use efficiency and household economic conditions.