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Appraisals of land-use sustainability (LUS) are indispensable for the attainment of sustainable land-use planning and management. At present, China is experiencing a pivotal phase of comprehensive reform in land-use policy, engendering a practical necessity for system-oriented land evaluations. Despite this, studies focused on national-scale systematic LUS evaluation remain scarce. Within this context, we developed a hierarchical structural framework for land-use systems based on the assumption that sustainable land-use systems adapted to development needs have mutually adaptable internal subsystems and fewer conflicting system elements. Employing this framework, we assessed the LUS across Chinese counties from 2000 to 2015 by using a newly introduced static equilibrium equation;we also analyzed the natural and socioeconomic influences and driving effect of land-use change to LUS. Findings …