The purpose of this study was to determine the effect of product quality, halal label, and promotion on purchasing decisions of Samyang Instant Noodles in Purwokerto. This type of research is quantitative research. The sampling technique used purposive sampling technique and the primary data in this study weretake using a questionnaire totaling 120 respondents. The data analysis techniques used in the research were descriptive statistics, instrument testing, classical assumption test, multiple linear regression analysis, determinant coefficient test, F test, and hypothesis test (t). The results showed that product quality, halal label and promotion simultaneouslys have a positive and significant effect on purchasing decisions. Meanwhile product quality, halal label and promotion partially have a positive and significant effect on purchasing decision.