本文采用文献资料法、综合评价法等对青少年体质下降的内外因素进行分析,通过了解青少年体质健康的现状,分析所造成的原因,提出构建以学校为中心,家庭、社会共同参与的健康促进模式,研究干预性措施,为进一步改善青少年的体质现状、促进学校体育教学改革提供了参考依据。 This article analyzes the internal and external factors of adolescents’satisfaction by literature and data method, comprehensive evaluation method and so on. By understanding the current situation of adolescent’s physical health and analyzing the causes, this paper proposes to build a health promotion model with school as the center, family and society , To study intervention measures to provide a reference for further improving the physical status of adolescents and promoting the reform of physical education in schools.