The utility model discloses a combination trousers that can be used to template personalized design, including panty girdle and fit trousers prototype model. Introduce adjustable size and can be used to the measuring panty girdle, make the utility model provides a panty girdle can be measured for the human body of difference degree of enclosing size, should design simple and easy convenience, practice thrift the cost and the face of application is wider, can realize the personalized design of fit trousers model. Template personalized design in -process, at first the human above -mentioned of difference is worn again to the corresponding characteristic points in the good crosspiece position of mark on the panty girdle, through characteristic points position relation, all the other characteristic pointss of mark. Be fixed in the panty girdle surface with fit trousers prototype model, measure horizontal and vertical arc length that model boundary control put the characteristic points again, carry out the personalized design of template according to the arc length data.