基于《义务教育课程方案（2022年版）》对跨学科教学的要求，本文建构了中学地理教师跨学科教学胜任力系统，涵盖地理空间整合、跨学科教学设计、地理实践与创新、跨学科评价与反思以及学科育人与伦理意识五大核心能力要素，并深入阐释各要素的内涵与特征，从多角度提出发展建议，以期为中学地理教师跨学科教学能力的提升提供支持。

In response to the requirements for interdisciplinary teaching outlined in the Compulsory Education Curriculum Plan (2022 Edition), this paper constructs a competency system for secondary school geography teachers in interdisciplinary teaching. The system encompasses five core competency elements: Geographic Spatial Integration, Interdisciplinary Teaching Design, Geographic Practice and Innovation, Interdisciplinary Evaluation and Reflection, and Disciplinary Education and Ethical Awareness. The paper elaborates on the connotations and characteristics of each element and proposes developmental suggestions from multiple perspectives, aiming to provide support for enhancing secondary school geography teachers’interdisciplinary teaching capabilities.