Abstract: The data itself contains a value, for the generated data, its value will be gradually reduced over time, and even to pay the expensive cost because of the stored data. How to use relevant analytical techniques and tools to excavate the value contained in the data, is a puzzle to be solved for every enterprise. Based on the introduction of data warehousing and analysis techniques of railway passenger transport, and through the research based on the technical direction of big data platform, this article put forward a technical line for railway passenger transport data analysis.