Hydrogen peroxide is not clinically the best to rub several times a day, it is generally recommended to apply about 1 to 2 times, but the exact number of times needs to be judged according to the actual situation. Hydrogen peroxide usually refers to hydrogen peroxide, which belongs to a strong oxidizing agent with disinfection and mild hemostatic effect. When used by patients, it is generally recommended to apply it about 1 to 2 times a day. When using, should pay attention to the drug concentration of 3%, if the patient has local inflammation, can increase the number of times a day to apply, the specific circumstances need to be judged under the guidance of the doctor. For gas gangrene, tetanus infected wounds, need to increase the number of hydrogen peroxide disinfection, disinfection needs to use saline to rinse off hydrogen peroxide. When patients use hydrogen peroxide to clean, avoid the concentration is too high, burn the local skin, the concentration is too low may not play the role of disinfection. During the use of hydrogen peroxide, you should avoid randomly rubbing the local, in order to prevent the effect of the drug.