This report investigates the significant impact of social media marketing on consumer buying behavior. It examines the shift from traditional shopping to online purchases, driven by advancements in communication and the influence of social media platforms. The study explores the changing consumer behaviors, including online purchase behaviors and online shopping trends, and analyzes the factors influencing these changes. It includes a project proposal outlining the aims, objectives, and research questions, along with a comprehensive literature review. The research methodology, employing positivism and a deductive approach, utilizes both quantitative and qualitative data collection methods, including surveys and questionnaires. The report also addresses sampling techniques, reliability, and validity, ensuring the ethical considerations of the research. The findings of this study can be used by organizations to develop effective online marketing strategies, gain insights into consumer perspectives, and adapt their business models to align with market trends.