The low-altitude economy sandpad model I, low-altitude economy sandpad model development concept decomposition low-altitude economy sandpad model development is a model-manufactor process-oriented service based on regional planning drawings, low-altitude airline line specifications, equipment technical parameters and client custom requests for all types of low-altitude economy applications, such as urban low-altitude flight routes, vertical landings, low-altitude logistics hubs, emergency rescue low-altitude scenes, low-altitude areas, low-altitude areas, etc., at the core of “situdinal retrofitting, process recalibration, functional dynamic adaptations”, which is designed through mapping, three-dimensional modelling, subregional landscape construction, modular assembly, simulation, system adaptation, etc.