The aim of this study was to know wether the advertising, price, and brand image have a statically significant impact on consumer purchase decisions at McDonald's. This research was conducted using questionnaires distribution survey of some McDonald's consumer This research also aims to analyze the most dominant factors impact the sales improvement on McDonald's Research shows, three hypotheses which have been tested in this study such as advertising, price, and brand image, have significant positive effects on purchasing decision towards McDonald's product especially in Graha Raya The result has showed and confirmed that this kind of research model is acceptable.