Being domesticated dog teeth touched the appearance of red spots should be timely on the contact parts of the cleaning and disinfection treatment, according to the red spots, if necessary, timely inoculation of rabies vaccine. At home, available soap and water for repeated rinsing, if possible, you can use saline, hydrogen peroxide for rinsing, conducive to the dilution of saliva in the wound. After rinsing, you can use iodophor and alcohol to disinfect. If the dog is not vaccinated against rabies, it means that the dog may be carrying rabies. The anti-rabies vaccine can be given promptly within 24 hours of the injury to prevent the rabies virus from entering the body. If a domesticated dog has a complete rabies vaccination, the dog’s rabies vaccination can reduce rabies virus infection to a certain extent, but it does not mean that the vaccinated dog will never be infected with rabies virus again. Therefore it is still advisable to get an anti-rabies vaccine to prevent rabies.