急性咽炎是儿童就诊的最常见疾病之一,15 %～30 %由A组链球菌引起。Zwart等曾报道,成人A组链球菌性咽炎应用青霉素7日疗法在缓解症状方面,优于青霉素3日疗法及安慰剂。但对儿童患者尚缺乏证据。本文报道口服青霉素V 7日疗法、3日疗法及安慰剂治疗儿童咽炎的随机双盲对照试验结 Acute pharyngitis is one of the most common diseases seen in children, 15% to 30% caused by Streptococcus group A. Zwart et al. Have reported that penicillin 7-day regimen in adults with Group A streptococcal pharyngitis is superior to penicillin 3-day regimen and placebo in relieving symptoms. But there is still no evidence for children’s patients. This article reports the oral 7 days of oral penicillin V therapy, 3-day treatment and placebo in children with pharyngitis randomized double-blind control trial