敷料乃一重要急救用品，用以直接覆盖伤口。

• 保护伤口
• 保持伤口干爽
• 止血、减少出血
• 防止感染

A dressing is a sterile pad or compress applied to a wound to promote healing and/or prevent further harm. A dressing is designed to be in direct contact with the wound, as distinguished from a bandage, which is most often used to hold a dressing in place.