Abstract: This paper takes Shanghai textile museum and jiangnan university's ChuanXiGuan Chinese dress as the research object, discussed the basic shape of the modern Chinese dress , and then by the modern Chinese dress modelling structure and detail breakdown structure for "basic" and "modern" type.And through the collection "fashionable" type improved the basic form, structure qipao modelling and detail design analysis, and points out that the modern Chinese dress is improved to western foreign clothing modelling method results. Specific it is through the western provinces, division, modelling such as cut sleeve method, has realized the outer profile on modelling from the traditional "A" to "H" type again to western-style "X" type of change. By the use of the shoulder pads, zipper, western-style clothing accessories, conspicuous clothing three-dimensional effect, finally finish from the body to tighten body, from the plane of the surface to change,show the modern chinese dress is the product of chinese and western culture collision and fusion.

Key words: modern, modified cheongsam, molding and workmanship, western element, cheongsam stored in museum