从20世纪80年代开始,我国城市化进程不断加快,与此同时,农村与城市的差距也在增大。随着农业产业结构调整和城市化进程加快,大批农村劳动者离开家乡,进城从事二、三产业,推进了城乡经济的发展,增加了农民收入。但是,大多数外出务工人员把孩子留在家里,由此产生了一大批“留守子 Since the 1980s, the process of urbanization in our country has been accelerating. At the same time, the gap between rural areas and cities has also increased. With the acceleration of the structural adjustment of agriculture industry and the acceleration of urbanization, a large number of rural laborers left their hometowns and went to cities to engage in secondary and tertiary industries, boosting the economic development in urban and rural areas and increasing their income. However, most migrant workers leave their children at home, resulting in a large number of "left-behind