Purpose of this study was to determine the effect of brand awareness, advertising and brand attitude on purchasing decisions. The sample selection in this study was done by purposive sampling. Based on the criteria obtained as many as 100 respondents who became the sample. The data analysis techniques used in this research are instrument test, descriptive statistics, classical assumption test, multiple regression analysis, and hypothesis testing. The results of the analysis show that brand awareness, advertising, and brand attitude simultaneously have a significant positive effect on purchasing decisions, brand awareness and brand attitude partially have a significant positive effect on purchasing decisions, and advertising has no significant positive effect on purchasing decisions.