Strong absorbency; it can keep moist environment for wound and accerlate wound healing, reduce pain and keeps bacterial from invading; water-proof; breathable; soft, conformable and comfortable, elastic and self-adhesive. Hydrocolloid dreesing can be changed according to the color. It will not stick on wound when removal from wound. The dressing is made with advanced edge-pressed techniques, so it looks beautiful and hemming will not occur. The hydrocolloid dressing can be designed according to sacrococcygeal structure. It is helpful for precaution and curing of bedsore.