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In view of the increasing data of civil aviation, it studies the whole life cycle of the data from the collection to analysis. First of all, it combed the data sources of the civil operation , and classified the data source according to the data type and sources .Based on different types of data, the data collection methods and big data analysis techniques are studied. It researched the tools of offline analysis and real-time online analysis tools. The research results provide technical support for the construction of big data platform for civilian aircraft, which can improve the operation efficiency of civil aircraft.