Academic performance is one of the important things among students to pass the graduation level and succeed upon graduation. The research focused on the determined of the impacts of lifestyle study and eating behaviour quality on academic performance among university students that consists of physical activity, study habit and eating habit. A quantitative research was conducted to achieve the research objective. Simple random sampling is used and responses from 384 respondents are targeted. To analyse the data of this research, descriptive analysis, reliability test and Pearson correlation are used. This research found that lifestyle study and eating behaviour have an impact on academic performance either positive or negative impact depending on their way in lifestyle study and eating behaviour. Poor eating behaviour and study lifestyle disruption variables were found to be significant predictors of college students' academic performance in this study. The findings also revealed gender inequalities in academic success among students.