Teacher’s Assessment Literacy has become an emerging issue of concern and discussion in educational measurement. In this article, the authors first give an overview on the issues of Assessment Literacy in general education, including the source of problems, its definition and the research carried out both overseas and domestically. The authors also comment on the research areas and research methods regarding Language Assessment Literacy (LAL), including the construct of LAL, research into LAL and LAL awareness raising efforts by the school teacher. Topics for future research are suggested at the end of the article.