User data analysis method and device based on big data

The invention discloses a user data analysis method and device based on big data, and relates to the field of big data processing and artificial intelligence. Comprising the steps of 1, collecting UGC data from various social media platforms, news websites and forums through an automatic means, 2, cleaning and sorting the collected UGC data, 3, extracting keywords, emotional tendency features and theme features from the UGC data by using a natural language processing method NLP, and 4, extracting the emotional tendency features and the theme features according to the extracted keywords, the emotional tendency features and the theme features. The method comprises the following steps of: 1, extracting a keyword, emotional tendency characteristics and theme characteristics, 2, performing training by utilizing a machine learning or deep learning method according to the keyword, the emotional tendency characteristics and the theme characteristics, and constructing a user data analysis model, and 5, performing clas