Proofreading usually refers to the process of editing and correcting text, audio, video, and other information to ensure its accuracy and completeness. In daily life, proofreading can refer to modifying and correcting documents, emails, documents, etc., or updating and repairing information in electronic devices. Proofreading at work usually refers to editing and correcting documents or information to ensure that they conform to specifications, accuracy, and completeness. For example, proofreading literary works such as novels, scripts, articles, and editing and repairing media information such as audio and video. Proofreading is a very important step to ensure the accuracy and completeness of the information we obtain and process, and to improve our work efficiency and quality.