In this paper we presented an ecient technique for parameterized human body model, which isnot only for the proportional transformation as most of the previous work have done, but also concentrated on the partial transformation about key positions.Based on the standard template models,various body sizes can be generated through the change of parameters,we employed dierent deformation functions on dierent body parts according to physics characteristic, including some more meticulous data such as thickness of chest to realize different shapes at the same girth. The deformation functions are mainly implemented based on the radial basis function, and the interpolation methods are used to guarantee the continuity of the neighbouring parts. By achieving this deformations, it can generate a wide range of dierent body models which is more personalized such as pregnant woman to satisfy the demand of 3D garment CAD system.