Nails stuck to no broken skin are usually fine for cleaning the surface.
Iron nails stuck to unbroken skin is usually not a problem. Use saline to rinse the surface of the skin to make sure there is no bleeding where the nail was stuck, and to remove dirt, rust, and other impurities left behind. There is no need to bandage the injury and treat it with medication.
If there is a break in the skin, you can thoroughly rinse the wound with hydrogen peroxide and saline, disinfect the wound with topical iodine povidone and then bandage the wound and treat it with regular medication changes. Complete a tetanus antitoxin injection within 24 hours of the injury to prevent tetanus. After the injury can take amoxicillin, cefaclor and other antibiotics to prevent infection.
If the iron nail is stuck, it is still recommended to go to the regular hospital, under the guidance of the doctor reasonable disposal, do not take the initiative to deal with.