Abstract: The purpose of this paper is to analyze the content and characteristics of PE metrics, namely, the physical literacy assessment index system based on American national curriculum standards, and expoundits enlightenment for physical literacy evaluation in China. The research shows that: American physical literacy assessmentindex system was adopted under the background of international upsurge, health crisis and literacy assessment. It has undergone the initial exploration period (1983-1999), the rapid development period (2000-2012) and the mature and stable period (2013 to present), and can be applied to 3 different situations: national large-scale physical literacy assessment, teachers'classroom teaching and students'physical education learning; taking into consideration of the interests of multiple stakeholders, it is composed a three-dimensional objective system, five-in-one assessment content, diverseassessment methods, and three-dimensional assessment criteria for K-12 physical education. It is characterized by integrating the five-dimensional assessment modules targeted at the overall assessment of American national curriculum standards, grade-level outcomes, and physical-mental integrity, constructing a dual-centered model of physical education assessment based on the inter-subjectivity between teachers and students, and applying in a flexible way the assessment content based on common elements. Finally, from the perspective of core competencies assessment, this paper expoundsthe enlightenment of American physical literacy assessment index system for China from the four aspects of assessment objective, assessment content, assessment method and assessmentstandard.

Key words: physical literacy, physical education curriculum standard, assessment index system, PE Metrics, U.S.A