Abstract: Capability is the basic requirement for PE subject teaching in the new round of PE curriculum reform, and the cornerstone for guiding and nurturing the students' key literacy of PE. In the capability perspective, the formation of PE moral character and self-cultivation is the prerequisite for the ability of students' key literacy of PE; the formation of sports interest and ability is fundamental; the formation of healthy behaviors and habits is an extension; the formation of sports quality and will power is the guarantee. Through the methods of school-based design, information construction, effective teaching, and stratified assessment, it is feasible to guide students' key literacy of PE. Under the background of deepening curriculum reform, the cultivation of core competence of students' key literacy of PE can be achieved by highlighting the central step of curriculum reform, optimizing the hierarchical order of curriculum reform, repairing weak areas of curriculum reform, and following the overall curriculum reform plan. In the process of assessing the key literacy of PE, it is necessary for PE teachers and sports researchers to work together to research and learn from existing international experiences, transform and upgrade existing domestic results, and deconstruct and reconstruct the intrinsic mode of research, integrate and improve the mature assessment techniques to ensure that realization of students' key literacy of PE.

Key words: key literacy of PE, PE curriculum, PE teaching, PE curriculum reform, capability