Transparent membrane is adherent and semi-permeable, allowing oxygen and water vapor to pass through, which can maintain a moist environment to promote granulation growth. Suitable for: 1 superficial wounds 2 wounds with small amount of exudate or no exudate 3 necrotic or desquamated wounds Yuan Baofang, Stoma Wound Incontinence Care Clinic, Nantong University Hospital 4 Prevention of pressure sores Advantages: 1 can pass through water vapor and oxygen 2 bacteria and liquid cannot pass through 3 keeps moist and promotes self-soluble debridement 4 transparent, easy to observe the wound 5 reduces pain and friction to the wound 6 good compliance 7 does not require a second layer of dressing Disadvantages : 1 Cannot absorb exudate 2 Cannot be used on infected wounds 3 Not suitable for deep wounds 4 May impregnate surrounding skin 5 Adherent and can damage surrounding fragile and new skin when removed