Abstract: The aim of this study was to make China climatic regionalization for highway,which provided reference for understanding effects of climatic conditions of China on highway.Requirements of highway on climatic regionalization could be divided into three levels of basic requirements,integrated requirements and macro requirements.Service principle and practicability principle were proposed for regionalizing.For various level requirements of highway,climatic regionalization should include three levels of basic layer,integrated layer and macro layer.According to regionalizing indicators of average annual accumulated temperature above 20℃,average annual freezing index,precipitation in freezing period and average annual precipitation in nonfreezing period,the macro layer of the regionalization,China climatic regionalization for highway,were suggested through methods of cluster analysis,division based on indicator and layers superposing,which included 10 first-level regions and 24 second-level regions.It summarizes that climate of China affects highway in macro level.