The application discloses a man-machine interaction method and device based on artificial intelligence; the method comprises the following steps: forming multi-dimensional structured analysis results according to historical interaction information between a preset analysis strategy and a user and present multi-mode input information; using characteristic resources of a plurality of dialogue sources to obtain a plurality of results matched with the analysis results; determining the multi-mode output information matched with the multi-mode input information from the plurality of results according to a preset screening strategy, and pushing same to the user. The man-machine interaction method and device can improve dialogue content richness, thus satisfying user customized, interest and intellectual dialogue demands.