A mark scratched by a dog needs to be determined based on factors such as wound breakage and vaccination status to determine if and what shots are needed. It is recommended that the injured person promptly seek medical treatment, so that the doctor can determine whether the need for injection. First, the wound damage: 1, no obvious damage: if the dog scratched a mark, the skin did not appear damaged, or the dog has been vaccinated against rabies, relatively safe, can be rinsed by water, local application of iodophor and other disinfection, generally do not need to inject rabies vaccine; 2, local damage: if there is a slight local damage, out of a small amount of blood, should immediately use soap and water and other weak alkaline detergent, or with The above treatment process may have a certain stimulating effect on the wound and stinging sensation, it is recommended to go to the nearest hospital outpatient clinic in a timely manner, after using iodine disinfection requires prophylactic rabies vaccination; 3, serious damage: If the wound bleeds more or is severely damaged, or is bitten by a dog whose health status cannot be determined, you should go to the hospital in a timely manner to treat the wound and inject Rabies passive immunization preparation, followed by rabies vaccination, tetanus vaccine, etc. for prevention. Second, vaccination status: If rabies vaccine has been given intact, antibodies can be produced in the body and the effect can be maintained for about 6-12 months. Therefore, if the marks scratched by the dog occurred during the vaccination process, you only need to continue to complete the vaccination program. If the dog scratches you within 6 months after the rabies vaccination, you do not need to go back for the vaccination. If a dog scratches a mark more than six months after the rabies vaccination, you need to go to the hospital for a booster shot.