Hydrogen peroxide is used to disinfect wounds. Hydrogen peroxide, also known as hydrogen peroxide, is used more frequently in the process of surgical debridement. After a person is injured there may be dirt or foreign matter inside the wound, and there may even be bacteria, fungi, and spores, so the debridement is usually cleaned with hydrogen peroxide first. The purpose of cleaning is to kill the bacteria inside the wound, including fungi, and may even include tetanus bacilli. Generally routine cleaning twice, in the process of cleaning the wound will produce a lot of bubbles, after rinsing and then use saline to rinse the peroxide clean, and then check whether there is something dirty inside the wound, and if there is also need for further cleaning. After cleaning, disinfect with iodine two times, and then the wound will be sutured.