Medical hydrogen peroxide will mainly cause the following damage to the body: medical hydrogen peroxide, also known as hydrogen peroxide, has oxidizing and reducing effects, and can be used as a disinfectant, bleach and oxidizer. If accidentally into the eyes, it will cause some damage to the cornea, which will lead to blindness in serious cases, but this symptom will not occur immediately, and may occur after a week or more. If you accidentally ingest hydrogen peroxide, it will lead to injuries to the stomach and the throat, resulting in hemorrhage and perforation of the esophagus or the stomach, and it may also cause tissue necrosis or pulmonary edema. After contact with the skin, it may bring certain corrosive damage, and the residual hydrogen peroxide on the skin may cause redness, swelling or blistering of the skin, and stimulate the skin to turn white temporarily. It is recommended that patients who need to use hydrogen peroxide if their skin is broken or in other situations should go to a regular hospital to be operated by a doctor, and blindly operate on their own may bring some damage to the body.