Question and answer processing method, device and system, computing equipment and computer storage medium

The invention discloses a question and answer processing method, device and system, computing equipment and a computer storage medium. The method comprises the steps of obtaining a question query statement sent by a user side; querying a target cue word demonstration library and a government affair knowledge graph according to the question query statement to obtain a knowledge graph data set and E cue word demonstration related to the question query statement; and inputting the question query statement, the E cue word demonstration and the knowledge graph data set into a trained natural language generation model to obtain a reply result corresponding to the question query statement, and returning the reply result to the user side. Through the mode, the reply result can be accurately provided for the user, the reply accuracy and fluency are improved, the user is helped to accurately position item information when handling government service items, the problems of repeated submission of materials and the like a