Chat method based on virtual chat role and related device

The invention discloses a chat method based on a virtual chat role and a related device. The method comprises the following steps: receiving a selection instruction of at least one virtual chat role selected by a user through a social account, wherein the virtual chat role at least comprises one of the following customized attribute characteristics: story drama, language style and role character; responding to the selection instruction, and determining the virtual chat role which is about to chat currently; receiving the chat information input by a user, generating open scene dialogue chat content conforming to the current context based on the virtual chat role and a preset natural language processing model, and sending the chat content conforming to the current context to a terminal corresponding to the social account. The technical problem that a chat robot cannot well process user chat information in an open communication context is solved. According to the invention, the virtual chat role setting and the