Try not to disinfect the wound with alcohol after trauma. Although 75% alcohol has a good sterilization effect, alcohol can cause strong irritation to the wound, resulting in severe pain, so try not to use alcohol to disinfect the wound after trauma. After trauma, you can use iodine volts to disinfect the wound. If the wound is more seriously contaminated or if there is a foreign body in the wound, it can be flushed with hydrogen peroxide to remove the foreign body, then the wound can be flushed with saline and finally disinfected thoroughly with iodophor. Patients who require debridement and suturing need to be sutured promptly to promote wound healing. In addition, the wound should be disinfected and changed regularly to prevent infection, which is the only way to promote early wound healing.