(1.College of Physical Education and Health，East China Normal University，Shanghai 200241，China； 2.Postdoctoral mobile station of Physical Education，Tsinghua University，Beijing 100084，China； 3.Division of Physical Education，Shanghai University of Engineering Science，Shanghai 201620，China)
Abstract: "Opinions on comprehensively deepening the curriculum reform and implementing the fundamental task of moral education" proposes to build and cultivate "students' development key competency system", and the premise of cultivating students' development key competency is that teachers should have corresponding development key competency. In this study, 38 physical education teachers of different types were interviewed in depth, using the grounded theory research method, through open coding, principal axis coding and selective coding, it constructs the structural system of development key competencies of the new era of physical education teachers, and then the structure is verified by video analysis. The results show that the structure system of physical education teachers' development key competency includes three aspects: values, essential character and key ability. They are 12 categories: system view, professional view, student view, sports humanities, sports scientific spirit, sports morality, sports ability, physical education curriculum understanding ability, physical education teaching implementation ability, extracurricular sports implementation ability, physical education teaching and research ability, learning and reflective ability, as well as 79 concepts and 307 sentences. The three aspects and 12 categories of the structure all express different connotations, and it is a complete system and comprehensively describes the categories that physical education teachers should have.
Keywords: school physical education；physical education teachers；key competency；the grounded theory