The fashion of the 19C had been through many diverse styles, i.e. Empire style, Romantic style, Crinoline style and the Bustle style. These styles had emphasized a certain figures, such as exaggerated hourglass silhouette of crinoline style or S silhouette of bustle style. Following the trends, corsets became more than underwears. Actually they supported the fashion of the 19C. Apparently, the corsets had been evolved in many aspects. Patterns, materials and trimmings were developed and refined to make torso figures desirable. The initial purpose of the research is to find out how they developed corset patterns to make such a diverse figures, so that the techniques can be adopted in contemporary pattern design. The 16 corsets and their patterns were quoted from books related the subject. The patterns were redrawn of same scale for the comparative study concerning cutting lines and measurements. Coming to the late, more curved lines and more segmented cutting were used to make body more of glamour and natural. Gussets were another key technique to make them work. Various sized and shaped gussets were used to follow the trends of ever changing.