Dog scratches that show teeth marks, breaks and bleeds need to be injected. If you are scratched or bitten by a dog, you need to treat the wound in time, as it is easy to get infected with rabies virus if not treated. Scratched by a dog without bleeding teeth marks need to be vaccinated against rabies, so as not to be infected with the rabies virus due to the rupture of the skin and mucous membranes. In addition, the dog scratches skin breakage and bleeding, this time need to go to the hospital in a timely manner, under the guidance of the doctor to disinfect the treatment, and follow the doctor’s advice to vaccinate against rabies. In daily life, if the patient’s skin is broken because of abrasion, impact, etc., if the dog licked the wound, this situation also needs to actively carry out rabies vaccination, so as to prevent the rabies virus from entering into the human body along the wound. It should be noted that the best time to get vaccinated after being scratched by a dog is within 24 hours, and this time period can effectively prevent the virus from invading. Therefore, after being scratched by the dog, it is recommended to go to the hospital in time, under the guidance of the doctor.