Acupuncture in the treatment of functional anorectal pain: a multicenter randomized controlled study

INTERVENTION: Acupuncture group:Acupuncture treatment;sham Acupuncture group:sham acupuncture; CONDITION: Functional Anorectal Pain PRIMARY OUTCOME: Clinical effective rate; SECONDARY OUTCOME: Days of pain per month;Quality of life evaluation;Psychological assessment;Anorectal manometry;Pelvic floor surface electromyography; INCLUSION CRITERIA: (1) FAP patients meeting the diagnostic criteria for levator ANI syndrome and non‐specific anorectal pain (functional gastrointestinal disease Rome IV); (2) Patients with chronic or recurrent anorectal pain, each pain lasting at least 30 minutes, at least once a week, symptoms =1 year; (3) Age range from 20 to 70 years old, gender is not limited; (4) Patients who did not receive acupuncture treatment 3 months before enrollment; (5) The subject will voluntarily participate and sign the informed consent.