本研究聚焦中小学外语教师的跨文化能力及其影响因素，通过问卷调查法探究促进跨文化能力发展的影响要素。基于 ４３０ 位中小学外语教师的问卷数据，结构方程模型分析结果如下：１）教师专业发展对跨文化能力有显著直接效应；２）尽管直接影响不显著，组织支持感知可通过中介效应间接促进教师跨文化能力提升；３）专业发展与组织支持感知对跨文化能力有显著的独立中介与链式中介效应。研究为教师跨文化能力发展提供了理论支持和实践参考。

This study focuses on the intercultural competence of foreign language teachers in primary and secondary schools and explores the factors that promote the development of intercultural competence. Based on survey data from 430 foreign language teachers in primary and secondary schools,the results of the structural equation modeling are as follows:1 ) Teacher professional development has a significant direct effect on intercultural competence;2)Although the direct effect is not significant,the perceived organizational support can indirectly promote the enhancement of teachers’ intercultural competence through mediating effects;3)Professional development and the perception of organizational support have significant independent and serial mediating effects on intercultural competence. The study provides theoretical support and practical references for the development of teachers’ intercultural competence.