The purpose of this study is to determine whether acupuncture or moxibustion therapies are effective in the treatment of Crohn's disease. meanwhile, the investigators aim to evaluate the efficacy by functional magnetic resonance imaging.~Through treating quiescent Crohn's disease by electroacupuncture or moxibustion therapies for 12 weeks, Compare the different brain activation by the different therapies and observe the correlation between brain activation and efficacy.
The purpose of this study is to determine whether acupuncture or moxibustion therapies are effective in the treatment of Crohn's disease. Meanwhile, the investigators aim to evaluate the efficacy by functional magnetic resonance imaging.