If you cut your fingernail by chopping vegetables, if you just cut off a small part of the nail, do not injure the tissue underneath the nail, and there is no bleeding, you do not need any treatment at this time, and the nail will grow out on its own. If the bleeding is mild and the situation is not serious, you only need to disinfect it with iodine vapors and bandage it with band-aids. Pay attention to the wound as far as possible not to get wet, every day to change the disinfection, bleeding slightly more, you can use Yunnan Baiyao to stop bleeding. If the wound is relatively large or cut off the finger, you need to go to the hospital in time for treatment, the wound needs to be disinfected, pressure bandage, usually 2 days after the change of medicine, the wound to avoid getting wet, to change the medicine on time, keep dry and clean to prevent infection. If the chopper has rust, within 24 hours it is recommended to also inject tetanus, combined with oral anti-inflammatory drugs, fingers do not overdo activities.