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3D human model is widely used in various fields, especially real human model. Along with the development of 3D scanning techniques, real human body data can be acquired by 3D scanner. But the number of point cloud data is huge. Human model data processing requires massive calculation although the computer hardware performance is better and better. In order to overcome the problem, this paper presents a rapid surface remodeling of human body based on scanned data. The results show that this method can quickly and effectively simplify large point cloud data and get satisfied real human models. This method can be applied to reconstruct a large number of human models and display their human figure in real time.