A dog bite requires routine rabies vaccination, and if the wound is deep, it also requires tetanus vaccination, as well as antibiotics to prevent bacterial infection. If the dog has not been vaccinated against rabies within six months, it is likely to carry the rabies virus, and the bite will transmit the virus to the person through oral secretions, thus causing the person to be infected with rabies, which is more serious and difficult to cure, and most of the patients will die. Therefore, rabies vaccine must be injected in a timely manner for prevention, after being bitten by a dog, the wound is relatively small on the outside, but the wound is deeper and larger on the inside, and may bring tetanus prickly bacteria into the wound, timely injection of tetanus vaccine to prevent infection with tetanus. For larger wounds are also prone to combined bacterial infections and require antibiotics to prevent infection.