The purpose of this research was to analyze whether the factor attributes of products, promotions, brand image and price of purchase card Prime Axis internet on students Muhammadiyah University of Purwokerto. Research on sampling using a purposive sampling, namely to consumers who make purchases using the card and Prime internet Axis. The sample used in this study as many as 107 respondents. Methods undertaken in this study i.e. regression analysis method that includes a test of validity and reliability, multiple linear regression analysis, determination of test, test and test F t. research results proved by using multiple analysis indicates a variable product attributes, brand image, and the price the positive and significant effect against purchasing decisions, positive and influential promotion variables are not significantly to purchasing decisions,. While together attributes of products, promotions, brand image, and price is a positive and significant effect against the purchasing decisions.