This paper explores various asphalt pavement cracks patching techniques, such as directing grouting, groove crack filling, compacting cracking belt, and in-situ recycling etc, and compares the construction technology, advantages and disadvantages, and cost etc. In the end, it selects optimum patching measures for specific project, so as to achieve good preventive maintenance.%详细探讨了当前各种沥青路面裂缝修补技术，如直接灌浆、开槽灌缝、压缝带、现场再生等，对其施工工艺、优缺点、造价等做了比较，最后针对具体项目，选择最佳修补措施，以达到很好的预防性养护效果。
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