Abstract: By using the methods of questionnaire and in-depth interview, taking 120 left behind children in QM township as an example, this paper is found that left behind children have some problems, such as low learning interest, parent-child emotion dilution, poor communication between teachers and students, weak peer support, lack of home school interaction and “stigmatization”. Therefore, combined with the problem analysis from the perspective of problems and the potential resource mining from the perspective of advantages, and focusing on the ecosystem theory, this paper puts forward specific suggestions: in the micro system aspect, reshape self cognition, improve learning efficiency and quality; in the meso system aspect, enhance family emotional relationship, smooth teacher-student relationship, strengthen peer support, promote home school communication, and enhance the community belonging of left behind children In terms of macro system, we advocate policy making and implementation, and call on all sectors to provide more development opportunities for this group.