During the period of old age, everyone wishes to have good quality of living. However, only the ones who have been well-prepared at the younger age could make this wish comes true. This study aims at investigating the psychosocial antecedents of the preparation of quality aging based on ambidextrous approach. Samples were 489 undergraduate students. Path analysis with latent model revealed a good fit. The findings revealed that psychological latent trait (future orientation and self-control, need for achievement, mental health, and core self-evaluation) and situational latent variable (perceived modeling, social support, and social norm) directly affected the preparation for quality aging (present quality of life, knowledge acquisition, and knowledge usage) via the psychological latent state R2 of 0.606 latent (attitude towards preparation, and locus of control of preparation) with the. Discussion and implications are offered.