Abstract: Emerging technologies such as multi-source heterogeneous data fusion and multimodal coupling analysis offer novel technical support for pioneering research in critical domains of territorial spatial planning. Addressing the prevalent challenges of rural hollowing and spatial heterogeneity in China, adapting to refined governance and remediation requirements for territorial space has emerged as a technical hurdle in contemporary rural planning and comprehensive land consolidation implementation. This study aligns with the digitalization trend in rural territorial governance, employing multi-source data integration and fusion as a core methodology. Through a case study of five villages in the urban-dense region surrounding Mount Tai, it investigates and projects the application of multi-source heterogeneous data (e.g., demographic, residential, and land-use information) in rural homestead utilization surveys. Findings demonstrate that by associating and integrating human, housing, and land data reflecting homestead utilization characteristics, quantitative spatial representations of homestead allocation patterns and human-land separation dynamics can be systematically generated. This approach extends and refines conventional homestead survey methodologies, providing critical technical support for refined territorial monitoring, land consolidation potential assessment, and township-village planning.