The paper describes the impact of fault and fracture zone upon tunnel construction,introduces the tunnel construction technology prep-arations of fault and fracture zone,analyzes tunnel excavation and support technology points of fault and fracture zone,and finally puts forward lo-cal collapsible processing methods of fault and fracture zone.%阐述了断层和破碎带对隧道施工的影响，介绍了断层和破碎带隧道施工的技术准备工作，分析了断层和破碎带隧道的开挖与支护技术要点，提出了断层和破碎带局部塌陷的处理方法。
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