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Objective: To establish an animal model for the injectable transplantation fat tissue transplantation and to investigate the morphological changes of rejection after ear transplantation in rabbit.Methods: Establishment of animal models: Rabbit ear artery end automatically,vein bifurcation of the ear artery and the inner ear edge vein at the junction of the mid-point of a circle with a radius of 15cm.Separated from the skin and periosteum,periosteal stripping was required in accordance with the experimental groups,with 18 # syringe 2ml complex was transplanted to this site.