The purpose of the present study was to examine the relationship among self-images in the past, the present and the future related to the ego-identity achievement level. Identity-confusion questionnaire (Sunada, 1979) and Self-Differential Scale (Nagashima et. al., 1967) were administered to 205 university students, in order to measure “the ego-identity achievement level” and “the images of past-self, present -self and future-self (ideal-self and predicted-self were measured as future-self)”. Regression analysis was applied to the data between identity-confusion of High and Low group. The main findings were as follows: (1) The influence of past-self upon present-self was stronger in the identity-confusion Low group than in the High group; (2) The influences of past-self and present-self upon predicted-self was stronger in the identity-confusion Low group than in the High group; and (3) When the dependent variable was ideal-self, the multiple correlation coefficient was considerably low.