2007年杨志寅教授创造性地提出"行为决定健康"理念，其后与复旦大学杨震主任医师合作，经过多年的研究与实践并陆续提出几项核心内容，形成基本完整的"行为决定健康"理论体系。该理论体系不仅是行为医学发展史上的范式突破，更是一场关于健康观念的价值启蒙。本文突破常规的医学阐释形式，将该理论体系置于科学、人文与哲学的交叉地带进行立体审视。研究显示，"行为决定健康"的科学内核在于将行为从健康的"相关因素"升格为"决定因素"，其人文灵魂则体现为对个体自律主体的唤醒，哲学高度在于重建"知—行—果"的因果链条。本文提炼该理论的四大精髓特质：因果归位的哲学澄明、知行合一的文化接续、关口前移的方法论革命、自律为本的价值复归，从而揭示其作为21世纪健康指导思想的独特价值。也是中国医者赠送世界人民的一份礼物。

In 2007, Professor Yang Zhiyin creatively proposed the concept of " Behaviors Determine Health". Subsequently, through years of research and practice in collaboration with Chief Physician Yang Zhen of Fudan University, they developed several core tenets progressively, forming a fundamentally complete theoretical framework. This system represents not only a paradigm shift in behavioral medicine but also an enlightenment of values regarding health concepts. This paper transcends conventional medical interpretations by examining the theoretical framework through a multidimensional lens at the intersection of the science, the humanities, and the philosophy. Research indicates that the scientific core of " Behaviors Determine Health" lies in elevating behavior from a related factor to a determining factor in health. Its humanistic essence manifests in awakening the individual′s autonomous agency, while its philosophical significance resides in reconstructing the causal chain of " knowledge-action-outcome". This paper distills four essential characteristics of the theory: the philosophical clarity in casual attribution, the cultural continuity of unifying knowledge and action, the methodological revolution of shifting intervention points forward and the value restoration centered on self-discipline. These characteristics reveal its unique value as a guiding principle for health in the 21st-century. It is also a gift from Chinese doctors to people worldwide.