Electronic equipment and legality detection method

The embodiment of the invention provides electronic equipment and a legality detection method. The electronic equipment comprises a communicator and a controller. Wherein the controller is configured to extract an entity to be detected from voice data input by a user; under the condition that the legality list does not comprise the to-be-detected entity, searching at least one candidate entity meeting a preset condition in an entity database based on the to-be-detected entity; determining the similarity between each candidate entity and the to-be-detected entity according to the name information and the phonetic-form code of each candidate entity in the at least one candidate entity; determining a target candidate entity from the at least one candidate entity according to the similarity between each candidate entity and the to-be-detected entity; and determining a legality detection result of the to-be-detected entity according to a relationship between the similarity between the target candidate entity and t