Teachers' language assessment literacy (LAL) refers to teachers' ability to perform assessment-related tasks. Despite the significant role of language assessment literacy in English language teaching and learning, many teachers reported to have an inadequate ability to perform assessment-related tasks because of the lack of assessment training programs that prepared them for the tasks. This study aimed at investigating the existing assessment training programs to develop EFL teachers' LAL. A systematic literature review was conducted to observe trends in how assessment training programs were carried out in the past decades. PRISMA model was used for identifying, screening, and selecting. Twenty-eight studies published between 2012 and 2022 were reviewed. The results reveal that the assessment training models comprised theoretical and practical components of language assessments. The results also show that the methods for delivering the content are collaborative and reflective practices. The findings of this study should be considered in the design of EFL teacher training programs on assessment.