Magnetic flux leakage detection technology is a relatively new detection technology, whose application is convenient and easy. Cooperated with other inspection methods, it can achieve good detection effect. This paper discusses the principle of magnetic flux leakage inspection technology, the theory research situation and the development and usage of instruments and equipment. The advantages and limitations of magnetic flux leakage detection technology are discussed, and finally the future development direction is introduced briefly.%漏磁检测技术作为一种较新型的检测技术，其应用方便快捷，配合其他检验方式可取得良好检测效果。论述了漏磁检测技术的原理、理论研究现状及仪器设备开发使用情况，对漏磁检测技术的优势及局限性进行讨论，最后对其未来发展方向做简要介绍。
展开▼
