This type of research used in this research is quantitative research that aims to determine the effect of product quality, lifestyle and promotion on purchasing decisions. The independent variables in this study are product quality, lifestyle and promotion, while the dependent variable in this study is the purchase decision. The object of this research is consumers of nike shoes users in Purwokerto. The sample used in this study was 110 respondents. Data collection techniques used in this study were using a questionnaire. Data analysis models in this study are the validity test, reliability test, classic assumption test, multiple linear regression analysis and hypothesis testing. T test results indicate that the product quality variable has a significant positive effect on purchasing decisions, lifestyle has a significant positive effect on purchasing decisions and promotion has a significant positive effect on purchasing decisions. F test results showed simultaneously the product quality, lifestyle and promotion variables influence the purchasing decisions of nike shoes in Purwokerto.