Medical antibacterial wound dressing and preparation method thereof

The invention discloses a medical antibacterial wound dressing which is prepared by copolymerizing the following raw materials in parts by weight: 10-55 parts of chitosan, 1-60 parts of hyaluronic acid, 5-10 parts of sodium carboxymethylcellulose, 1-35 parts of gelatin, 1-20 parts of polyethylene glycol, 1-30 parts of glycerin and 1-20 parts of polyoxyethane. When in use, the wound dressing is fixed by a semipermeable thermoplastic polyurethane elastomer (TPU) waterproof backing. The prepared wound dressing is simple in preparation process, diversified in shape, convenient, practical, good in moisture penetrability, moisture absorptivity and biocompatibility, low in replacement frequency and suitable for wound protection of burn injury, scald injury and traumatic wounds.