This research uses Paris and New York the most appear 10 kinds of dresses fad style, take pure cotton textiles as a material first to make into test style, later on, through infrared hot image instrument measurement, 28 °C is next at the environment temperature, will this 10 kinds of pure cotton clothing’s style the type make the infrared hot image instrument of static state and dynamic state analysis, inquire into 10 kinds of different designs the spreading of version type clothing hot effect difference is under 28 °C and try to search the relation between the style of the vogue fad and of comfort index. The experiment suggests as a result that under the static state is with be dressed in thin shoulder vest of 36.86 degrees is the best, under the dynamic state is with be dressed in V to get vest of 37.57 degrees is the best; At version type structure, is with the sleeveless clothes(the Xiu grows the shortest) and the circle get a sports shirt(the collar is the biggest of) it spread hot effect for the best.