Abstract: The assessment of physical literacy is a hot topic in physical education and research at home and abroad, while few physical literacy assessment tools have been developed for preschool children. Using the methods of literature review and comparative analysis, this paper interprets Pre PLAy, a relatively mature assessment tool for preschool children's physical literacy. It is found that the tool has 5 features: focusing on the initial stage of life cycle, embodying the essentials of physical literacy in assessment content, following the philosophy of applying mature tool, easy to operate, and reflecting individual's unique journey in assessment standard. Enlightenment for the assessment of preschool children's physical literacy in China: First, strengthening the assessment of preschool children's participatory motivation, movement competency and activity confidence to inspire their enthusiasm that "I want to play", movement ability that "I am good at play" and confidence that "I can play". Second, in terms of assessment methods, paying attention to children's movement in daily life, and their consistency in doing movement, and improving assessment feasibility and children's participation so as to give play to the long-term role of assessment in children's life cycle.

Key words: preschool children's sports, physical literacy, measurement and assessment, Pre PLAy, Canada