Acupuncture Reduces Relapse in Patients With Crohn's Disease: a Superiority Trial

Inclusion Criteria: 1. patients with clinical diagnosis consistent with CD; 2. aged 16-75; 3. patients in remission (CDAI \< 150 and CRP \< 5mg/l, or Faecal calprotectin \< 50μg/g, or no ulcer under endoscopy); 4. patients with frequent disease recurrences (≥2) in the past years; 5. patients were not taking medication or were only taking one or more of the following drugs: \[mesalazine (≤4g/d), prednisone (≤15mg/d), azathioprine (≤1mg/kg/d)\] and prednisone and mesalazine were used for at least 1 month, while azathioprine was used for at least 3 months; or those who had poor response or loss of response to biological preparations (anti-TNF-α, IL-12p40, α4β7); 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 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.