This　paper　analyzes　the　interface　problems　of　underground　pipelines　including　pipe-soil　contact　interface　and　fluid-solid　coupled　interaction　using　finite　element　analysis　software　ADINA.　In　this　analyzing　work,　the　influence　of　site,　fault　and　characteristics　of　pipelines　are　comprehensively　considered.　Then　some　key　parameters　greatly　affect　the　failure　of　pipelines　are　present　and　some　suggested　countermeasures　are　put　forward.