The results showed that: the mean age of the patient group was 21.2 ± 9.3 months, the control group was 20.7 ± 14.1 months, the age of occurerence of febrile seizure mainly less than 24 months accounting for 61.1%, seizure occurred above 39 degrees Celsius accouting for 51.8%, the main cause of fever in both groups is mainly respiratory diseases.