The cold/hot dressing efficacy device of this creation, which includes at least, to be had: wearing dress ornament and cold/hot dressing component, the wearing dress ornament has at least one first engaging member, the cold/hot dressing component has the second engaging member, positioning can be mutually assembled with first engaging member, it, can be convenient for users to wearing off, adjust and fix the position of cold/hot dressing component to fix on the what wearing dress ornament.本創作之冷熱敷功效裝置至少包含有：穿戴服飾以及冷熱敷組件，該穿戴服飾具有至少一第一結合件，該冷熱敷組件具有第二結合件，可與該第一結合件相互組裝定位，以固定於該穿戴服飾上，可方便使用者穿脫、調整並固定冷熱敷組件之位置。
