The invention relates to a voice correction method and a voice correction device, wherein the voice correction method comprises the steps of acquiring voice information which is input by a user; identifying the voice information for obtaining a text content which corresponds with the voice information; on the condition that the text content comprises a first preset keyword, dividing the text content into an original text and an editing text according to the first preset keyword, wherein the editing text is used for modifying the original text; extracting a to-be-modified text from the original text according to the editing text; and modifying the original text according to the editing text and the to-be-modified text, thereby obtaining a modified text. Through the voice correction method and the voice correction device, the original text can be modified according to the editing text. Text content modification by the user can be realized through voice input of a modifying content, thereby facilitating an operation of the user and improving user experience.