Hydrogen peroxide, also known as hydrogen peroxide, when it is oxidized, a reduction reaction occurs and white foam appears around the wound, resulting in whitening. Hydrogen peroxide has a good antibacterial and antiseptic effect, and it is normal to see whitening after wiping the wound, so there is no need to worry too much. In the use of hydrogen peroxide disinfection treatment, need to use saline to the wound for repeated rinsing, and then use povidone-iodine solution for disinfection, the effect will be better, under the guidance of the doctor can use amoxicillin, cephradine and other drugs for treatment. Hydrogen peroxide wiped wounds need to regularize their work and rest time, avoid staying up late, keep the affected area clean and dry, avoid contact with water to avoid infection.