If a patient is accidentally stabbed by a needle, different treatment methods can be adopted depending on whether the needle is clean and the severity of the stab wound. If the needle is clean, not contaminated with other people’s blood or secretions, and the needle laceration is superficial, with only a small amount of bleeding, you can use the vital iodine cotton ball disinfection 2-3 times, sterile cotton ball local compression for 2-3 minutes, most of the bleeding can stop on its own. If the needle is contaminated with other people’s blood and the blood is contagious, the patient needs to squeeze out the blood in the eye of the needle as soon as possible and then rinse it with vital iodine, hydrogen peroxide and saline alternately, and at the same time inject relevant vaccines to prevent contagious diseases and review it regularly, most patients can achieve better treatment results. If abnormal indicators are found in the process of re-examination, relevant treatment should be given in time.