用苍苓散（治疗组）与腹可安（对照组）治疗婴幼儿轮状病毒肠炎１５０例，治疗组治愈率为６７．０７％，总有效率为９７．５６％，优于对照组（Ｐ＜０．０１），治疗组各症状改善时间均优于对照组（Ｐ＜０．０１），苍苓散对三种不同中医证候的轮状病毒肠炎疗效差异无显著性。连续检测用药三天后粪轮状病毒，治疗组测６５例转阴３１例，对照组测５４例转阴６例，两组比较差异有显著性（Ｐ＜０．０１）。 150 cases of infantile rotavirus enteritis were treated with Cang Ling San (treatment group) and Beikan (control group). The cure rate was 67.07% in the treatment group and the total effective rate was 97.56%, which was better than that in the control group P <0.01). The improvement time of each symptom in the treatment group was better than that in the control group (P <0.01). The effect of Cang ling powder on rotavirus enteritis with three different TCM syndromes was not significant. Three days after the continuous detection of fecal rotavirus, the treatment group measured 65 cases of negative in 31 cases, the control group measured 54 cases of negative 6 cases, the difference between the two groups was significant (P <0.01).