Comparison of the Clinical Efficacy and Safety of Endoscopic Superior Rectal Mucosal Ligation and Hemorrhoids Ligation

Inclusion Criteria: 1. According to the Goligher classification in the Chinese guidelines for the diagnosis and treatment of hemorrhoids (2020) , patients who are diagnosed with grade II-III internal hemorrhoids . 2. Patients who voluntarily participate and sign the informed consent form. Exclusion Criteria: 1. patients who had severe heart, liver, and kidney disease. 2. patients who had severe immune deficiency. 3. patient\'s general condition is too poor to tolerate endoscopic therapy. 4. patients had a history of pelvic chemoradiotherapy. 5. patients had severe infection or inflammatory lesion in the rectum or anal canal,or the rectum or anal canal had undergone surgery. 6. patient is a pregnant woman. 7. patients who disagree with endoscopic treatment and are concerned about the possible risks refused to sign the informed consent form. 8. the follow-up time is insufficient and the clinical data were incomplete.