Introduction: In today's business environment in Bangladesh, social media has become an integral component of the marketing process. Social networking services are increasingly being used in various businesses throughout the world. By using a digital platform, e-commerce businesses may quickly reach a considerable number of Bangladeshi customers. Bangladesh's E-Commerce sector also provides the chance to interact with clients more efficiently and effectively by leveraging new technology. Purpose: The purpose of this research is to illustrate the concept of Digital Bangladesh, and its connection with consumers buying behavior, and how it is improving the online shopping patterns , and behaviors in Social Media. Methodology: The thesis is more inductive, providing descriptive information to the scientific findings and interpretation. A qualitative analysis approach was chosen for this thesis. This research follows the primary data collection mode and entirely based the research on the collected data. Findings: Social Media impact significantly every step of buyers in the overall buying behavior of consumers in Digital Bangladesh. The reasons are mainly because social media bring convenience to people, consumers can spend more time on it. Limitations: The limitation in this research indicates the massive, and significant possibilities the empirical testing of the main aptitude needs to exist in many contexts for the theory to have a strong balance.