Clinical Observation of Acupuncture in Treating Senile Functional Constipation and the Influence on Intestinal Bacteria and Inflammatory Factors

INTERVENTION: Acupuncture group:Acupuncture;Sham acupuncture group:Sham acupuncture;Elderly non‐constipated control group:None.; CONDITION: functional constipation PRIMARY OUTCOME: Treatment response rate; SECONDARY OUTCOME: Treatment response rates at other time points;Percentage of people whose average CSBMs increase = 1 time;Change in average CSBMs;Bristol fecal trait scale;Constipation Patient Symptom Checklist (PAC‐SYM);Constipation Patient Quality of Life Questionnaire (PAC‐QOL);Self rating anxiety scale (SAS);Self Rating Depression Scale (SDS);weekly usage of emergency bowel medications; INCLUSION CRITERIA: Elderly patients with functional constipation: ? Comply with the Rome IV diagnostic standard for functional constipation issued in 2016; ? Gender unlimited, 60 years = age = 80 years; ? Functional constipation is classified as mild to moderate; ? Have not used any medication for constipation within at least 4 weeks before entering treatment (except for emergency treatment); ? No mental or intellectual abnormalities, able to understand the provisions of various scales and complete the assessment; ? Agree to participate in this study and sign a written informed consent form. Elderly non‐constipated patients: ? Any gender, 60 years = age = 80 years; ? No constipation‐related symptoms after comprehensive assessment of enrollment; ? No significant gastrointestinal symptoms (e.g. abdominal pain, diarrhea, blood in stool, constipation, abdominal distension, etc.) were reported within 4 weeks prior to enrollment; ? No use of drugs that prom