Fever after rabies vaccination should be analyzed according to the specific situation, if the rabies vaccine is only a low fever, the axillary surface temperature does not exceed 38.5 ℃ and there are no clinical symptoms. Usually considered to be the reaction of vaccination, do not need special treatment, just need to drink more water, pay attention to diet can be light. If the child has a high fever, the axillary surface temperature is greater than 38.5 ℃ or clinical symptoms are obvious. For example, the appearance of obvious cough, asthma, nasal congestion, runny nose, or diarrhea, vomiting, abdominal distension, abdominal pain and other clinical symptoms, consider the vaccination secondary viral or bacterial infection. In this case, it is necessary to go to the hospital for consultation, examination, evaluation of the infection status, and treatment of the infection with medication.