Fecha de publicación: 01/09/2020 Fuente: Wipo "BigData" The invention discloses a public opinion monitoring platform based on big data, which relates to the field of big data acquisition monitoring platforms and comprises a public opinion big data acquisition module, a preprocessing module, a deep processing module, a public opinion analysis module, a public opinion decision module and a display module. According to the invention, automatic acquisitionand processing of a large amount of network public opinion data can be realized, the processing efficiency of the network public opinion data is greatly improved, the development trends of public opinion hotspots and various events are discovered in time, a predicted decision scheme is made, and public opinion information and the decision scheme are displayed on the display module through a big data visualization technology.