1. A speech interaction method, comprising: acquiring, by a speech interaction apparatus, speech data of a user; presetting, by the speech interaction apparatus, a user attribute, wherein the user attribute comprises at least a gender attribute and an age attribute; presetting, by the speech interaction apparatus, multiple vocabularies corresponding to the gender attribute and multiple vocabularies corresponding to the age attribute; performing, by the speech interaction apparatus, user attribute recognition on the speech data to obtain a first user attribute recognition result, wherein the user attribute is used to represent a user identity; performing, by the speech interaction apparatus, content recognition on the speech data to obtain a content recognition result of the speech data; and performing, by the speech interaction apparatus, a corresponding operation according to at least the first user attribute recognition result and the content recognition result, so as to respond to the speech data, wherein the performing a corresponding operation according to at least the first user attribute recognition result and the content recognition result comprises: determining, by the speech interaction apparatus, vocabulary content corresponding to the first user attribute recognition result by searching, in a preset correspondence between the gender attribute and a vocabulary and a preset correspondence between the age attribute and a vocabulary, for a vocabulary corresponding to the first user attribute recognition result, and using a found vocabulary as the vocabulary content corresponding to the first user attribute recognition result.