After being bitten by a child, according to the degree of the bite wound, it can be promptly treated by cleaning and disinfection, local bandage, medication and vaccination. 1. Cleaning and disinfection: for patients with only teeth marks and no wounds, you can use hydrogen peroxide or saline to clean the wounds and disinfect them with iodophor. 2. Local bandage: for patients with large wounds, in addition to cleaning and disinfection, suture treatment can also be taken and local bandage can better promote recovery. 3. Medication: For patients with severe bleeding, drugs such as hemostatic enzymes can be applied to stop bleeding after bandaging. After the application of drugs, nausea, skin rash and other adverse reactions, should also seek medical help. After being bitten by a child, you should go to the hospital in a timely manner, and under the guidance of the doctor for standardized treatment.