Applicable scope 1. Burn wound: Ι Deep second degree burn wounds with degree, shallow second degree, and slightly shallow, as well as wounds after deep second degree burn scab removal; 2. Skin supply area wound; 3. Postoperative incisions or wounds in surgical and plastic surgery; 4. Minimally invasive surface after laser cosmetic surgery; 5. Wounds with acute skin injuries such as cuts and abrasions; 6. Chronic skin ulcers such as leg ulcers caused by bedsores, varicose veins, and foot ulcers caused by diabetes; 7. Early and emergency response for deep burns; 8. As a carrier for topical drugs, combined with antibacterial and anti-inflammatory adjunctive therapy.