The objective of this study was to investigate the effect of the Growth Mindset on the prospective teachers' Self-Efficacy, Psychological Well-being and Academic Achievement. There were 400 Prospective teachers selected with Cluster sampling from four universities based in Lahore. Their Growth Mindset has been measured with Growth Mindset Scale developed by Chen et al. ( 2023) and their Self-Efficacy has been measured with the Academic Self-Efficacy developed by Kunnathodi (2016). Similarly, their Psychological Wellbeing has been measured with the Psychological Wellbeing Scale by (Ryff et al., 2018) whereas their academic achievement has been measured while taking scores of their semester. Pearson's r and Regression Analysis indicated a positive and moderate effect of Growth Mindset on prospective teachers' Self-Efficacy, Psychological Wellbeing and Academic Achievement. Therefore, it is recommended that the Growth Mindset should be developed in the Prospective Teachers so that their Psychological Wellbeing, Self-Efficacy and Academic Achievement could be effected positively.