中文摘要：

运用来自我国2005～2010年1462个县（市）的面板数据,以反映城镇化本质特征的人口城镇化与农村劳动力就业非农化两个指标衡量城镇化水平,从全国和三大地带两个层面实证检验了我国县域城镇化对粮食安全的影响。研究结果表明：从全国层面来看,县域城镇化对粮食安全具有显著的正向作用;从区域层面看,中部、西部人口城镇化都能显著提高粮食安全水平,东部地区正向不显著;西部地区非农就业对粮食安全产生了显著的负向影响,东部、中部地区与其恰恰相反。

英文摘要：

The article uses population urbanization and non-agricultural employment as a measure of the level of urbanization,and based on the panel data of 1462 counties（cities） during the 2005 to 2010,to empirically test the influence of urbanization exerts on food safety from the two aspects of the whole nation and the Eastern,Central and Western.The results show that,from the perspective of the whole nation,counties urbanization has a positive effect on the food safety.From the perspective of different regions,population urbanization can improve the food safety level significantly of Central and Western,and the positive effect on the food safety of the Eastern region is not significant.Non-agricultural employment has a significant negative effect on food safety in Western;while the non-agricultural employment of the East and Central regions has a positive effect on food safety.