Provided is a word collection method matching emotion polarity, belonging to the technical field of data processing. The method comprises: acquiring a voice of a first user and a facial image of a second user in a dialog process of the first user and the second user (S1); performing expression recognition on the facial image of the second user to determine each facial expression of the second user at different times in the dialog process (S2); according to the occurrence time of each facial expression and the occurrence time of the voice, matching each facial expression of the second user with text obtained by converting the voice of the first user, to determine text corresponding to each facial expression (S3); and according to the text corresponding to each facial expression of the second user, determining words matching a preset emotion polarity of the second user (S4). By automatically collecting the facial expression of one party and the voice of the other party in the dialog process of two users, and on the basis of the words spoken by the other party when a facial expression of a user occurs, words causing the user to generate a positive emotion and a negative emotion can be accurately determined.
WORD COLLECTION METHOD MATCHING EMOTION POLARITY