This study is to investigate the factors which affect self- esteem of the aged parents. In this study questionaires were used to measure solidarity between aged parents and adults children, self- esteem of aged parents. Subjects were 234 male and 235 female parents who were aged over 60. The data were analyzed by using frequency, percentage, mean, standard deviation, ANOVA, and stepwise regression analysis. The results are as follows : 1) The solidarity between the aged parents and their adult children is average 65.5(Conversion value by 100 : 51.9) and shows the average level. The relations between solidarity and background variables are variables affected by education, pocket money, health, social activity and religion. 2) The degree of self- esteem in the aged parents is presented to average 26.1(Conversion value by 100 : 56.5) and shows the average level and it according to the background variables has a significant difference depending on education, pocket money, family living together, health, social activity, religion and the number of children. 3) To investigate the degree of self- esteem according to the degree of solidarity, the sub-areas of solidarity are subdivided into five groups. higher solodarity the group has, higher self- esteem it has. 4) The degree of effects of the variables which affect self- esteem in the aged parents is in such order as affectional solidarity($eta$＝0.32), helping($eta$＝0.14), education($eta$＝0.10), solidarity by contact($eta$＝0.09) and solidarity by argument($eta$＝0.09) and $R^2$ of such variables are 30%.