Abstract: Soil structural obstacles are soil physical obstacles in cultivated soils caused by pedogenesis or anthropogenic factors, such as poor arrangement and combination of soil solid phase and pores, which leads to abnormalities in soil storage, conductivity and habitat functions. The Huang-Huai-Hai Plain is an important grain-producing area in China, with grain output accounting for more than 50% of the country's total grain production for many years, and the total area of cultivated land in the region is about 2.14 × 10⁷ hm², of which the fluvo-aquic soil area accounts for more than 60%. Under continuous high-intensity utilization and irrational application of chemical fertilizers, structural obstacle problems, such as poor soil pore structure, low aggregate stability, and compaction, have become important obstacle factors affecting arable land productivity, grain production capacity stabilization, and yield enhancement, which is common to intensive wheat and maize production in the Huang-Huai-Hai region. Soil physical structure is the basis for maintaining soil quality and productivity, and a systematic understanding of the characteristics of structural obstacles in arable land and the ways to reduce them is of great significance for improving soil quality and grain production capacity. Therefore, this study was carried out in the following aspects: ① Summarized the connotation and causes of structural obstacles in cultivated soils. ② Analyzed the typical features and hazards of structural barriers in fluvo-aquic soil in the Huang-Huai-Hai region, such as poor stability of soil aggregates, weakening of hydraulic function, compaction, etc. ③ Reviewed various reduction technologies, such as mechanical tillage, straw return to the field, organic fertilizer application, crop rotation in the region. ④ Prospects were given that future researches on regional structural obstacles to cultivated land should be carried out in the key directions of mechanism research, comprehensive technical measures and new product development. We aimed to provide valuable information for the control and reduction of structural obstacles of cultivated land in fluvo-aquic soil in the Huang-Huai-Hai region.