有２次以上高热惊厥史的患儿８４例（男性６０例，女性２４例；年龄２１±ｓ８ｍｏ），随机分为２组，每组４２例。有发热先兆或体温≥３７．５℃时，观察组每８ｈ口腔滴入安乃近２滴／ｋｇ，连用３次；对照组在体温≥３８．５℃或出现热厥时按常规治疗。结果，预防组高热惊厥复发率为７％，对照组为４５％，２组比较差别有极显著意义，Ｐ＜０．０１。 There were 84 cases (60 males, 24 females; age 21 ± s8 mo) with 2 or more febrile seizures, and were randomly divided into 2 groups (n = 42 in each group). A fever aura or body temperature ≥ 37.5 ℃, the observation group drops of dipyridamole nearly 2 drops / kg every 8h, once every 3 times; control group in the body temperature ≥ 38.5 ℃ or when the heat of the heat treatment according to conventional. As a result, the recurrence rate of febrile seizures was 7% in the prevention group and 45% in the control group, and the differences between the two groups were extremely significant (P <0.01).