本文介绍作者用粪便琼脂扩散试验来诊断小儿轮状病毒感染。收集3岁以内、起病1～4天、病因不明的腹泻患者粪便,置于含抗生素的保存液中,制成50%的混悬液,以1000转/分离心10分钟,取上清液,加入轮状病毒抗血清, This article describes the author using a faecal agar diffusion test to diagnose pediatric rotavirus infections. Collect within 3 years of age, onset 1 to 4 days, the etiology of diarrhea patients with etiology, placed in antibiotic preservation solution, made of 50% suspension, centrifuged at 1000 rev / min for 10 minutes, the supernatant , Add rotavirus antiserum,