Postoperative complications after finger amputation mainly include: 1. postoperative wound infection, oozing, redness and swelling of the wound or nail tract site. If there is ooze, it means that there is infection, so it is necessary to change the medication early and disinfect actively, and if necessary, it is necessary to apply antibiotic treatment; 2. If the activity is too early, it may cause tendon rupture, and if the activity is too late, it may form tendon adhesions, which will affect the later functional rehabilitation; 4.