Surgical hand disinfection is a necessary item before performing surgical procedures, which can effectively avoid surgical infections. The main steps are as follows: First, take hand sanitizer to clean the foreign bodies and bacteria on the surface of hands, upper arms, and forearms, and rinse well with water. Second, the hands, forearms and upper arms are disinfected using hand sanitizer, and the upper arms are disinfected up to ten centimeters above the elbow joint, and the hands are disinfected in an upraised position, but not above the shoulders. Must not be able to sag, so as not to cause pollution, water rinse after hands and arms disinfectant, using sterilized towels and hand towels to dry the water beads. Third, the hands again hands, upper arms, forearms without hand sanitizer, evenly coated and left to dry naturally, you can achieve the requirements of thorough disinfection.