A thorn in the finger needs to be treated according to the degree of penetration of the thorn. If the thorn into the finger is shallow, you can usually try to pull out the thorn into the finger, but before and after pulling out the thorn need to be sterilized with iodine povidone, to avoid infection, after the thorn is pulled out there are no other uncomfortable symptoms, there is no need to carry out other special treatments; if the thorn into the finger is deeper, you should go to the hospital immediately, please ask the doctor to deal with the situation, in strict aseptic condition, the use of professional tools will be removed, and if necessary, you need to inject tetanus antitoxin under the guidance of the doctor to avoid tetanus infections. If necessary, tetanus antitoxin should be injected under the doctor’s guidance to avoid tetanus infection, and then the wound should be bandaged. After the appropriate treatment of the finger prick, the patient should pay attention to the protection of the wound, avoiding water, keep dry, if there are signs of infection, should be timely to the hospital, ask the doctor for treatment.