The silk fibroin film dressing is the first transparent regenerative silk fibroin film in China and the first Class III medical device product in Zhejiang Province to enter the national priority approval process. This product uses silkworm silk as the raw material, degumming to remove sericin, and the purified silk fibroin molecules partially crystallize to form a dense, transparent, and breathable silk fibroin film, suitable for covering donor sites.