PROBLEM TO BE SOLVED: To provide an elastic self-adhesive nonwoven fabric that is excellent in elastic property and self-adhesion property, safe and excellent in hand tearability, and excellent in designability such as color developing property by dyeing.SOLUTION: The elastic self-adhesive nonwoven fabric is made of a nonwoven fabric comprising 80 mass% or more of crimped fibers having an average radius of curvature of 50 to 200 &mu；m and composed of at least two components including a cation-dyeable polyethylene terephthalate resin. The elastic self-adhesive nonwoven fabric has a dyeing rate of 80% or higher at 90°C and a dyeing rate of 85% or higher at 95°C when died with a cationic dye and/or a disperse dye.【課題】 伸縮性および自着性に優れ、安全で手切れ性に優れ、かつ染色による発色性などの意匠性に優れた伸縮自着性不織布を提供する。【解決手段】 カチオン可染ポリエチレンテレフタレート樹脂を含む少なくとも２成分から構成され、平均曲率半径が５０～２００μｍである捲縮繊維を８０質量％以上含む不織布からなり、かつカチオン染料及び／又は分散染料にて染色したときの、９０℃における染着率が８０％以上かつ９５℃における染着率が８５％以上であることを特徴とする伸縮自着性不織布。【選択図】なし
