Abstract: With the development of the foundation pit engineering in recent years,excavation cause changes in the surrounding environment and even the surrounding buildings, underground pipeline deformation or fracture damage accidents are common. So we should strengthen the research of foundation pit engineering, reduce the occurrence of such accidents. In this paper, by using the method of numerical simulation, during the process of excavation of foundation pit surrounding buried pipelines affected by excavation caused variation of pipeline displacement. This paper summarizes the influence of excavation displacement around buried pipeline,and put forwards some suggestions on the buried pipelines in the excavation process of foundation pit supporting.