The external outline garment depends on its internal structure, expanding the modelling in a crucial role. It according to the human body curve cut out reasonable cutting slices segmentation, which plays suture, and plays a connection. Make clothing, more human and expressive shape fashion, with strong individual character style, decorate beautification effect also. The line is composed of clothing internal structure, is rich in profile, enrich and reflected morely, let people understand aesthetic principles of delicate garments details. Expanding clothing designer is the most direct way of expressing emotions, line shape, different line the sense that gives a person is also different.