The present invention relates to the technical field of two-dimensional (2D)/three-dimensional (3D) modeling, and in particular to a method, system and device for combining models in a virtual scene, and a medium. The method in the present invention comprises: placing a first model into a second model; determining a filling space and a removing space of the first model; filling an overlapping space of the first model and the second model with the second model, and filling the filling space of the first model with the second model; and removing the second model filled into the removing space of the first model, wherein the second model is filled in the removing space of the first model when the second model is filled in the overlapping space of the first model and the second model and the second model is filled in the filling space of the first model. The present invention simplifies the work flow of a scene designer, so that the amount of repetitive work is reduced, and the expected effect of a model is achieved.
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