The aim of the research is to determine the influence of product quality, product design and promotion on purchasing decisions. The subject of this research is the community in Purwokerto using a sample of 100 respondents. The data collection technique used was purposive sampling. The data analysis techniques used in this research are descriptive statistical analysis, instrument test (validity and reliability test), classical assumption test (normality test, multicollinearity test, heteroscedasticity test), multiple regression analysis (determinant coefficient test (r2), F test ( goodness of fit), hypothesis test (t). The research results show that product quality, product design and promotion have a positive and significant effect on purchasing decisions.