蒸汽直埋管道的安全与节能技术近年来日趋成熟，但在南方高水位城市应用中还存在诸多缺陷。本文结合工程实践，针对这些缺陷进行了技术改进，并在多项工程中推广应用，取得了良好的效果。“,”The technology of safety and energy saving in steam buried pipeline has matured in recent years, but there are still many defects existing in the southern high water level city. This article based on engineering practice, raised several technical improvements to these defects, also popularized in the number of engineering applications, and achieved good results.