This article is intended to probe into the characteristics of and the relationship between both the psychological security and the behavioral problems arising from left-behind junior high school children. A total of 98 left-behind children and 115 non-left-behind children in junior high schools are respectively tested by using the revised edition of the Maslow Security-Insecurity Questionnaire and the Rutter Child Behavior Scale. The findings indicate the following: (1) The emotional security from left behind junior high school children scor...