Rabies vaccine is generally not necessary for normal people. After being bitten by a dog or scratched by a cat, the rabies vaccine is used to prevent rabies, and a dog bite carries the risk of rabies. After being bitten by a dog, it is generally necessary to treat the wound in a timely manner, and at the same time, it is also necessary to actively inject the rabies vaccine can effectively prevent the occurrence of rabies. Rabies can be prevented but not cured, prevention is the key. Normal people who have not been bitten by a dog or scratched by a cat are generally not at risk of rabies and do not need to be vaccinated against rabies. Side effects of rabies vaccine can be headache, fever, weakness, dizziness and other symptoms. Normal people who have been bitten by a dog also need to actively seek medical attention, to timely injection of rabies vaccine, do not delay the disease, to prevent rabies.