Theme extraction method and device, equipment and storage medium

The invention discloses a theme extraction method and device, equipment and a storage medium. The method comprises the steps that keywords contained in multiple texts are clustered into multiple candidate theme categories; determining a candidate theme category to which each text belongs; for each keyword and candidate theme category, determining the importance degree of the keyword relative to the candidate theme category; for each text and the candidate theme category, determining the correlation degree of the text and the candidate theme category; according to the importance degree of the keyword relative to the candidate theme category, the candidate theme category where the keyword is located is adjusted, and according to the association degree of the text and the candidate theme category, the candidate theme category to which the text belongs is adjusted; and if the set topic extraction ending condition is not met, returning to the operation of determining the importance degree of the keyword relative t