A cut fingernail requires a pressure bandage and a tetanus shot. After the nail has been cut off, the area will bleed profusely and must be treated in the hospital, and the area needs to be sterilized. Usually use iodophor to disinfect, iodophor is less irritating to the tissue, the patient will not feel very painful, and iodophor has the effect of sterilization, which can prevent infection. Do not use alcohol or iodine to disinfect, this disinfectant is more irritating to the tissue, and patients will feel very painful. After disinfection, you can apply oil gauze for pressure bandage, can stop bleeding, and need to be injected with tetanus injection, can effectively prevent tetanus infection. Patients need to go to the hospital in time, the doctor will check the patient’s condition, and then will make the best treatment.