The Yellow River Delta is a large estuarine delta with the shortest land formation time in China. Due to its special development background, the instability and vulnerability of the geological and environmental systems and the impact of human activities, the land subsidence is relatively significant. This has caused many environmental problems and posed a serious threat to the natural environment and regional socio-economic development. This study systematically summarizes the current situation of land subsidence in the Yellow River Delta region from the perspectives of monitoring technology and cause mechanism. It is pointed out that: ① The land subsidence in the Yellow River Delta is affected by a variety of factors, such as the natural compaction of nascent strata, gravity compaction of anthropogenic constructions, the reduction of riverine land source inputs, the exploitation of groundwater and brine, the exploitation of oil and natural gas, and the relative enhancement of oceanic dynamics. More detailed and systematic studies are needed, especially to quantitatively separate the contribution of anthropogenic and natural factors in ground subsidence. Comprehensive quantitative analyses are needed at the intersection of other disciplines such as geology, geotechnics, mechanics and mathematics. ② It is worthwhile to strengthen the continuous monitoring, historical cycle analysis and future judgment analysis of the land subsidence in the Yellow River Delta over a long period of time and spatial and temporal scales, especially to pay more attention to the research on the long-term and short-term impacts of sea-land interactions on land subsidence. ③ Investigation and research on land subsidence, monitoring of subsidence and its accuracy, and research on the relationship between subsidence assessment and environmental impacts, particularly the coupling relationship between coastal zone erosion and land subsidence, still need to be deepened. In the future study of ground subsidence in the Yellow River Delta, more attention should be paid to the in-depth investigation of theoretical models and the practice of new technical methods. The mechanism study should be extended to a variety of modeling studies. When predicting disasters, the research should be extended to ground cracking, faults and ground fissures, which are more closely related to the problem of ground subsidence. In addition, more explorations and practical applications should be made on the socio-economic and environmental impacts of ground subsidence. A comprehensive, systematic and in-depth understanding of ground subsidence in the Yellow River Delta will provide a theoretical basis for the effective implementation of ecological protection and resource development in the delta. It has important scientific significance and socio-economic value.