Usually rabies vaccine has no serious or some special side effects on children, but some children may experience some common side effects after vaccination such as localized pain, fever, rash, etc., which can usually be relieved on their own. The rabies vaccine itself is an inactivated virus that is not pathogenic but is antigenic. It can stimulate the body’s immune system to produce anti-rabies virus antibodies, to achieve the purpose of disease prevention. Generally there are no serious side effects, and it will not affect the child’s intellectual development or physical development. However, some children may experience redness, swelling and pain at the injection site, or fever and rash after vaccination. These are common adverse reactions to vaccination, which are usually mild and can be recovered on their own. It is important to note that you should observe the vaccine for 30 minutes after vaccination and seek medical attention if there is any abnormality. In addition, you need to keep the local skin clean and hygienic, do not take a shower immediately, eat a light diet, do not stay up all night and so on.