This report provides a comprehensive overview of big data analysis, exploring its core concepts and practical applications within the context of information systems. It begins by defining big data and its characteristics, including variety, velocity, and volume, emphasizing the importance of big data analytics in extracting valuable insights from complex datasets. The report delves into the challenges associated with big data, such as data management complexities, the talent gap, and the need for effective data accessibility and insights generation. It also outlines various techniques used in big data analysis, including A/B testing and data fusion. Furthermore, the report highlights how big data technology supports businesses by enabling better customer understanding, creating new revenue streams, improving operational efficiency, and enhancing risk analysis, ultimately leading to more informed decision-making and competitive advantages. The report concludes by summarizing the importance of big data analytics in modern commercial enterprises.