The dog’s teeth may harbor rabies virus, and if the rabies virus invades the human body through the scraped skin wound, it will reproduce in the human body, thus producing rabies virus, and the toxin will invade the muscles or nerves of the whole body, and the onset of rabies will occur, with a mortality rate of 99.9%. In addition to the rabies vaccine, if the wound is deep, it is recommended that the tetanus injection, or tetanus antitoxin from the medical point of view, must be given because the tetanus bacillus is an anaerobic bacterium, which is most likely to hide in deeper wounds and thus reproduce inside, and if the toxin produced invades the muscles, there will also be muscle spasms and convulsions throughout the body, so if the wound is deep, it is also necessary to Therefore, if the wound is deep, you should also pay attention to the injection of tetanus antitoxin to prevent the infection of tetanus bacillus.