Six types of children including 4 types of left-behind children, ex-left-behind children and non-left-behind children were classified for data analysis.

Pay attention to the problem of mental health of rural rear children;

The analysis of socialized problem of rear children from the angle of view of non-social action;

Based on a survey of the psychological state of rear children in four townships of Qiandongnan Prefecture,this paper points out their need for love and uncertainty about schooling and future during the Absence of their parents working in coastal areas or cities.

The reflection on the educational problems of countryside left-behind children;

Life quality of rural left-behind children and its influential factors;

Study on rural left-behind children s mental health and their guardians rearing styles;

parent-absent middle school students were tested by SCL-90 and a sel f-compiled questionnaire to study the related factors of the mental health of p arent-absent middle school students.