Generally speaking, after the finger is pierced with a thorn, the thorn should be pulled out first, the wound should be cleaned and sterilized and then bandaged, and then anti-tetanus treatment should be carried out. People who have stabbed their fingers with thorns should first pull out the thorns from the fingers, then clean and disinfect the wounds, and then dress the wounds according to the condition of the wounds and change the medication regularly. If the splinter is deep and the end of the splinter is not in the skin and cannot be pulled out or picked out, it can be surgically removed in the hospital. All puncture wounds should be treated to prevent tetanus, timely injection of tetanus antitoxin. And take amoxicillin, cefaclor and other antibiotics to prevent infection.