Hydrogen peroxide cleaning wounds is more painful, because hydrogen peroxide is the common name for hydrogen peroxide, when cleaning wounds, hydrogen peroxide will release oxygen ions, which can kill common bacteria in the wound, and also corrode away the necrotic tissues, so there will be a stronger sense of local irritation. After hydrogen peroxide cleaning, it is also necessary to use saline for rinsing, can completely remove the residual hydrogen peroxide, but also to a certain extent to reduce the pain. If the patient needs to deal with the wound and must use hydrogen peroxide, he can take oral pain relief medication in advance, such as ibuprofen extended-release capsules, depo tablets, oxycodone tablets and so on. In addition, you can also use other drugs for cleaning, such as iodophor solution, can avoid intense pain, the specific cleaning methods and the use of agents need to be consulted with the competent physician.