Multi-skill task type dialogue system construction method fusing chat and common sense

The invention relates to a dialogue system, in particular to a method for constructing a multi-skill task type dialogue system fusing chat and common sense, which comprises the following steps: collecting large-scale open-source Chinese chat corpora, taking adjacent dialogues as chat corpus pairs, constructing a chat model, collecting large-scale common sense question and answer corpora and triple data in various fields, and constructing a knowledge graph. The method comprises the following steps: training a similarity scoring model based on common sense question and answer corpora, processing an original question to obtain a candidate entity set, obtaining all out-degree and in-degree relationships in a related two-hop relationship from a knowledge graph, obtaining a final candidate entity, screening out an entity relationship path by utilizing the final candidate entity, and obtaining an entity relationship path; the entity relation path is optimized to obtain a final path, common knowledge answers are inqu