Effect of Acupuncture on Mild to Moderate Active Crohn's Disease

Inclusion Criteria: 1. aged 16-70; 2. patients with mild or moderate active disease (150 ≤ CDAI \< 450); 3. patients who are not responsive, intolerant, dependent or refused to use at least mesalazine, glucocorticoid, immunomodulator (azathioprine, methotrexate), anti TNF alpha preparation; 4. patients were not taking medication or were only taking one or more of the following drugs: \[prednisone ≤15mg/d, azathioprine (≤1mg/kg/d), methotrexate (≤15mg/w) or mesalazine (≤4g/d)\] and prednisone was used for at least 1 month, while azathioprine, methotrexate or mesalazine was used for at least 3 months; 5. those who did not use anti-TNF alpha and other agents within 3 months before entering the study; 6. those who have never experienced acupuncture; 7. patients signing informed consent. Exclusion Criteria: 1. patients who are recently pregnant or in pregnancy or lactation; 2. patients with serious organic diseases; 3. patients diagnosed as psychosis; 4. patients who take antibiotics, probiotics, traditional Chinese medicine and other drugs at the same time, or who suffer from multiple diseases and need to take other drugs for a long time, and may affect the observation of the efficacy of this trial; 5. severe skin diseases (such as erythema nodosum, pyoderma gangrenosum, etc.), eye diseases (such as iritis, uveitis, etc.), thromboembolic diseases and other serious extraintestinal manifestations; 6. there are serious intestinal fistula, abdominal abscess, intestinal stenosis and obstruction, perianal abscess, gastrointestinal hemorrhage, intestinal perforation and other complications; 7. patients with short bowel syndrome who have undergone abdominal or gastrointestinal surgery in the past half a year; 8. there are skin diseases or defects in the selected area of acupuncture and moxibustion that cannot be performed.