The paper introduces Lin-Hou highway pavement conditions,analyzes the importance of preventive maintenance in highway manage-ment,describes micro-surfacing preventive maintenance technology measures from aspects of construction preparation,mixing proportion design, pavement construction and post maintenance,and finally points out merits of micro-surfacing technology,such as economic,environment protec-tion,and energy saving.%介绍了临侯高速公路的路面概况，分析了预防性养护在高速公路管理中的重要性，主要从施工准备、配合比设计、路面施工、后期养护等方面，阐述了微表处预防性养护的技术措施，指出微表处施工具有经济、环保、节能等优点。
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