A voice input device, in which a content spoken by a user is reflected on a confirmation screen when executing the content, allows the user to confirm that a command, corresponding to the content which is spoken by the user who intended for the execution, is executed after being recognized by the voice input device. The voice input device includes a command storage section that stores a command in which one representative command name is associated with at least one paraphrased command name, a voice acquisition section that acquires voice spoken by a user, a command recognition section that refers to the command storage section and to recognize a paraphrased command name based on the voice acquired by the voice acquisition section, an execution section that executes a command corresponding to the paraphrased command name recognized by the command recognition section, and a display control section that displays the paraphrased command name recognized by the command recognition section when the execution section executes the command corresponding to the paraphrased command name.