The purpose of this study is to examine the characteristics of the variables and the content of mediation through the literature analysis of the psychological exercise interventions of children with developmental delay. This study is based on Kiss, Riss, Dbpia, which is one of the major research sites in Korea, based on the academic journals and theses, and 31 theses retrieved through the National Library of Korea, and 12 papers KCI booklet, The purpose of this study was to analyze the predictive variables of psychological exercise intervention and analyze the effectiveness of intervention by analyzing the analysis form of Choi Jeong-gil (2012) Data were collected and analyzed. The results of this study are as follows. First, the psychological exercise intervention program of children with developmental delay showed variable characteristics as independent variable type, subordinate variable type, and research target selection criteria. Second, the contents of intervention for the children with developmental retardation were the intervention environment, intervention interval, intervention session, intervention time, and measurement tools. We analyzed various variables of psychomotor intervention in children with developmental retardation through analysis of psychomotor intervention literature of developmental retarded infants. Based on the results of the variables in the application of psychological exercise program to various subjects as well as developmental retarded infants. I would like to be a psychological exercise program that contributes to the growth and development of infants with developmental retardation based on the application of various intervention methods for practical application.