Clinical Research Directory

Inclusion Criteria: 1. Patients with internal hemorrhoids and rectal prolapse, combined with external hemorrhoids or without external hemorrhoids. 2. Patients with bowel preparation. Exclusion Criteria: 1. History of anoscopic/endoscopic sclerotherapy. 2. Patients with acute thrombotic external hemorrhoids. 3. Patients with serious internal hemorrhoids of grade IV. 4. Patients with anal stenosis, anal fissure, fistula, fecal incontinence, ulcerative colitis, Crohn's disease. 5. Patients with acute diarrhea in the past 24 hours. 6. Hypertensive patients with uncontrolled blood pressure, patients with cerebrovascular accident and obvious bleeding tendency, pregnant women, mental disorders and decompensated cirrhosis.