Fecha de publicación: 20/10/2020 Fuente: Wipo "BigData" The invention discloses an information collection and analysis system based on big data. The system comprises a data acquisition unit, a data import unit, a data collection unit, a data rating unit, adata display unit and a data storage unit, the front end of the information collection and analysis system collects sales data through the data acquisition unit, the data import unit is used for correspondingly classifying and deriving the acquired data, the classified and derived data corresponds to product information one by one, and the information collection and analysis system is used for storing the classified and derived data in the data collection unit to correspondingly generate collected data. The marketing data is quickly acquired by utilizing the information collection and analysis system, and the current marketing analysis data can be quickly and accurately acquired by a use end by utilizing the designed data rating unit, so that the accuracy of the analysis data is improved,and the use end can make accurate response judgment through the analysis data.