Pentavalent vaccine does not affect school attendance if there are no symptoms such as fever, allergy or dizziness. However, serious adverse reactions to the vaccine may affect school attendance. Pentavalent vaccine, which includes diphtheria, pertussis, tetanus, polio and Haemophilus influenzae, involves injecting attenuated or inactivated pathogens directly into the body to stimulate the immune system to produce appropriate antibodies. Most children do not experience serious symptoms such as high fever, allergy or dizziness after vaccination, but only localized redness or mild pain, which do not affect school attendance. If a child develops acute hives, dizziness, headache, or persistent high fever caused by acute allergy after receiving DPT5 vaccine, it is a sign of a more serious adverse reaction to the vaccine, and requires prompt treatment in the hospital for anti-allergy and fever reduction. This kind of situation affects schooling and requires prompt medical treatment, otherwise it will cause direct damage to the child’s organism. After receiving the Pentavalent vaccine, children are observed for half an hour at the vaccination site and then returned home to be monitored for any adverse reactions.