Fish fingers should be taken according to the specific degree of treatment measures, mild injuries are generally sterilized with povidone-iodine, pay attention to hygiene; wounds are deeper, need to be injected with tetanus antitoxin. 1. Mild stab wounds: If a fish finger is stabbed, if the wound is thin and shallow, rinse it with running water or saline and then disinfect it with iodophor routinely, pay attention to hygiene, avoid local extrusion, and prevent infections, no special treatment is needed. 2. Deeper wounds: if a fish stick in the finger, if the wound is deeper, you should use hydrogen peroxide to rinse the wound and then disinfect it with iodine, and go to the hospital as soon as possible to inject tetanus antitoxin or tetanus immune globulin to prevent tetanus bacillus infection. 3. Poisonous fish splinter wounds: should promptly go to the hospital, to be debridement, thoroughly remove toxins and other treatments. Serious stab wounds from highly toxic fish spines (e.g. stingrays, tiger fish, etc.) may be life-threatening and require prompt medical attention. It is recommended to treat your finger with a doctor’s guidance to avoid abusing medication on your own.