Youth adulthood today, should be taught to have a balanced personality to  succeed both in the world and hereafter. Psychology of da'wah and balance personality are dynamic internal systems which form an individual's  pattern of action, thought and feeling. Youth adulthood should practice moderate Islamic lifestyle, so that the knowledge gained is competent for the purpose to achieve the pleasure of Allah. Thus, the objective of this study is to examine the impact psychology da’wah on balanced personality. The research hypothesis is tested with a sample of young adulthood in private universities and through structural equation modelling using SMART-PLS software. As a result, the study verifies the impact of the psychology da’wah on balanced personality. Thus, psychology Da’wah approach can be applied in counselling in managing psychological problems especially related to the personality of Muslim students. It may also assist students in having a greater sense of self-efficacy while in university and increase the level of balanced personality.