Conclusion Nano-traditional medicine can be used as a microecological preparation and it is effective in reatment of ulcerative colitis by regulating the dysbiosis of intestinal flora.

• 结论纳米中药可以作为一种微生态调节剂，即从调整肠道微生态失衡角度来治疗溃疡性结肠炎，取得了较好的疗效。