本文概要叙述了今年在巴伦支海演习中沉没的俄罗斯“库尔斯克“号核潜艇的历史、战术技术资料。对该艇沉没事件引伸出的关于海军装备建设发展战略和指导思想的几个问题作了探讨 ,提出要正确处理装备发展中高科技与高可靠的关系 ;分析事故原因中内因和外因的关系 ;潜艇设计中作战能力与生存能力的关系 ;核潜艇自身建设与保障体系同步建设的关系。 This article outlines the historical, tactical and technical information on the Russian Kursk nuclear submarine sunk this year in the Barents Sea exercises. This paper discusses some issues about the development strategy and guiding ideology of naval equipment construction that the ship sank. It proposes that we should correctly handle the relationship between high technology and high reliability in equipment development, analyze the relationship between internal and external causes of accidents, The relationship between combat capability and viability in design; the relationship between self-construction and security system of nuclear submarine simultaneously.