Since metaliteracy be raised by 2011 for the first time, it having pay close attention to the library. The American library actively practice and research on metaliteracy, and offer use for reference of metaliteracy localization. Through summarized the connotation of metaliterracy and the practice of the American library, the article gives some opinion on metaliteracy localization from the core domain of metaliteracy, including emotion, behavior, cognition and metacognition.