对谷参肠安和思密达治疗肠易激综合征的疗效进行对比观察。将８３例肠易激综合征随机分为两组，治疗组４２例口服谷参肠安，对照组４１例口服思密达，观察比较两组疗效。结果：治疗组和对照组的显效率和总有效率分别为７３８％、９０５％和４１５％、８７８％，经统计学处理，显效率差异有高度显著性（Ｐ＜００１），总有效率则差异无显著性（Ｐ＞００５）。表明谷参肠安和思密达在对肠易激综合征疗效均较高，而谷参肠安疗效优于思密达，且无明显副作用，安全方便，可替代思密达。 To observe the curative effect of ginseng xianan and smecta on irritable bowel syndrome. 83 cases of irritable bowel syndrome were randomly divided into two groups, the treatment group, 42 cases of oral administration of ginseng, and the control group, 41 cases of oral smecta, the two groups were observed and compared. Results: The effective rate and total effective rate of the treatment group and control group were 738%, 905% and 415%, 878%, respectively. After statistical analysis, the significant difference was significant (P <001), the total effective rate was no significant difference (P> 005). Show that ginseng intestinal safety and Smecta in the treatment of irritable bowel syndrome were higher, and ginseng intestinal safety better than Smectite, and no obvious side effects, safe and convenient, alternative Smecta.