Fecha de publicación: 08/01/2021 Fuente: Wipo "BigData" The invention relates to a big data information analysis system and a control method thereof, and belongs to the technical field of computer science. The big data information analysis system comprisesat least one data acquisition module, a first wireless communication module, a collection module, a comparison module, a storage database, a data processing module and a user terminal, the at least one data acquisition module is connected with the first wireless communication module, and the first wireless communication module, the collection module, the comparison module and the storage databaseare connected in sequence; the storage database is sequentially connected with the data processing module and the user terminal, and the user terminal is connected with the storage database through the second wireless communication module. According to the big data information analysis system, data is preprocessed through the comparison module and then stored in the storage database, so that thelater data retrieval and extraction efficiency is greatly improved.