After being bitten by an animal, it is recommended to receive rabies vaccination immediately, and the best time to inject is within 24 hours after the injury, preferably not more than 48 hours. Once rabies develops, the lethality is very high. Whenever bitten or scratched by a rabid dog or other crazy animal, the local wound should be treated immediately (rinsed repeatedly with water or soapy water and then sterilized several times with tincture of iodine or alcohol) and rabies vaccine injected in a timely manner according to the post-exposure immunization procedure. The best time for rabies vaccination is within 24 hours of injury, preferably not more than 48 hours. Rabies vaccination can stimulate the body to produce anti-rabies virus immunity. Generally within 24 hours after vaccination, redness, swelling, pain and itching may appear at the injection site, which can be relieved on its own without treatment. To summarize, it is recommended that the patient go to the local hospital for rabies vaccination in time, do not delay, so as not to cause serious consequences.