“天人合一”作为中国传统文化的精髓具有朴素的自然辩证观。本文从可持续发展角度，剖析了“天人合一”思想的哲理和弊端，评判了西方“以人为中心”伦理的历史价值和所导引的社会灾难，探讨了人与自然、人与人的对立统一的系统观，以及天人和谐和复杂系统的认知论，旨在裨益于可持续发展的哲学理念与其理论体系的研究 As the essence of Chinese traditional culture, “harmony between man and nature” has a naive dialectical view of nature. From the perspective of sustainable development, this article analyzes the philosophical and malpractices of the idea of ​​“harmony between man and nature”, judges the historical value of the “people-centered” ethics in the West and the social catastrophe it leads, and explores the relationship between man and nature, And the theory of harmony between man and nature and the complex system of cognitive theory, designed to benefit from the philosophy of sustainable development and its theoretical system