If you have been bitten by a dog, you can generally use hydrogen peroxide, and it is generally recommended that you first rinse the wound with saline or water, and then use hydrogen peroxide and iodine povidone to clean it again and again. It is also recommended to get a rabies vaccination within 24 hours to avoid rabies virus infection. Hydrogen peroxide disinfection can be anti-inflammatory and sterilization, hydrogen peroxide is a relatively common disinfectant drugs, can assist the doctor to deal with wounds, anti-inflammatory and sterilization of wounds to avoid infection. However, it should be noted that for some of the more fragile parts of the skin, such as cornea, skin abrasions, limb mucous membrane damage, etc., should not use hydrogen peroxide. In the case of deeper wounds, you should go to the regular hospital in time to inject tetanus antitoxin and rabies vaccine, with antibiotic drugs to prevent infection.