This application related to Artificial Intelligence technical field and discloses a robot and a method for predicting an emotion status by a robot. The method includes: determining a first emotion status of a first user, where the first emotion status is an emotion status of the first user at a first moment; predicting a second emotion status based on the first emotion status and a first emotion prediction model, where the second emotion status is an emotion status of the first user at a second moment, and the second moment is later than the first moment; and outputting a response to the first user based on the second emotion status.