If the hand is cut by an ordinary household kitchen knife without tetanus is usually not important. The chances of tetanus bacillus surviving on an ordinary kitchen knife are almost zero, because tetanus bacillus needs an anaerobic environment to survive, and kitchen knives can’t be kept in an anaerobic environment for a long time. And under normal circumstances, the family will be rinsed in a timely manner after the use of kitchen knives, will also be above the broken meat and vegetables and leaves and other pollutants will be washed away. Therefore, by ordinary household kitchen knife cuts without tetanus is generally does not matter, but by the kitchen knife cuts should be timely medical use of hydrogen peroxide to clean and disinfect the wound. If there is a lot of bleeding is required in accordance with the different traumatic conditions for appropriate treatment.