Large abrasions should be timely, scientific and effective treatment to ensure that the healing is fast, generally should be disinfected in a timely manner, reasonable use of medication, pay attention to dietary management, specific instructions are as follows: 1. Cleaning and disinfection: large abrasions should be disinfected in a timely manner. You can use saline to rinse the wound, remove the wound dirt, foreign objects, etc., and then use iodophor to apply, disinfection treatment. After the wound is treated, the wound should be bandaged with sterile gauze and treated with regular medication changes. 2. Reasonable medication: After the wound treatment, you can take roxithromycin, cefadroxil, amoxicillin and other anti-inflammatory drugs to prevent and control infection. In the wound dressing can be external epidermal cell growth factor gel, fibroblast growth factor gel and other drugs to promote healing. And injection of tetanus antitoxin to prevent tetanus. 3. Pay attention to the diet: after the injury to be high protein, high vitamin diet, such as chicken, fish, eggs, apples, citrus and so on and to avoid spicy stimulation diet.