本文介绍了气液双相流体干度测量的研究状况及存在的问题,讨论了这一领域研究工作的发展趋势.并提出了两种基于反问题想法的间接测量方法. This paper introduces the research status and existing problems of gas-liquid two-phase fluid dryness measurement, discusses the development trend of the research work in this field, and proposes two indirect measurement methods based on the idea of ​​inverse problem.