Abstract: The coexistence of Social Security for urban and rural areas evinces the opposition of Dual Structure on urban and rural areas, and also the moving of agricultural manpower.

• 文章摘要: 农村与城镇社会保障的并存反映了二元经济结构城乡对立关系，其对立性集中地表现在农业劳动力的转移上。