The purpose of this study was to determine the influence of product quality, brand ambassador and brand on purchasing decisions. Sample selection in this study was carried out by purposive sampling. Based on the criteria, 110 respondents were sampled. The data analysis techniques used in this study are data instruments test, descriptive statistical test, classical assumption test, multiple regression analysi test, and hypothesis test. The result of the analysis show that product quality, brand ambassador and brand personality simultaneously have a significant positive effect on purchasing decisions, then product quality has a positive and significant effect on purchasing decisions, brand ambassador have a positif and insignificant on puchasing decisions. While brand personality has a positive and significant influence on purchasing decisions.