Wound stitches growth factors need to be applied to the wound by spraying it with iodophor sterilized before suturing. Wound stitches need to cover the wound of trauma patients with gauze, wash around the wound with 0.9% sodium chloride injection, remove the surrounding hair, and then use hydrogen peroxide solution to clean the wound, routine disinfection of toweling and anesthesia, and thoroughly remove wound contaminants and clots, iodine volts disinfection is completed and then sprayed on the wound with recombinant human epidermal growth factor before suturing. Emergency trauma application of recombinant human epidermal growth factor can form a barrier on the surface of the wound and protect the wound surface to prevent bacterial contamination, accelerate wound healing, reduce pain, avoid mechanical damage to new tissues; and moisturizing effect is good, providing a good environment conducive to cell growth for wound repair. Once a patient has a wound, he must go to the hospital in time for treatment.