Rectal inflammation enteroscopy is mainly manifested as rectal mucosal congestion, edema, there may be scattered bleeding spots, erosion, and even ulceration. Inflammatory rectal disease that is proctitis, the main clinical manifestations are bloody stool or mucous blood stool, anal pain, anal falling sensation, diarrhea, urgency and heaviness, constipation and other symptoms. Mild proctitis mainly involves the mucosa, and in severe cases, it can involve the submucosa, muscular layer, and even perirectal tissues, and its main colonoscopic manifestations are congestion and edema of the rectal mucosa, and there may be scattered hemorrhagic spots, vesicles, and even ulcers. Proctitis may cause a series of complications that are harmful to the body, mainly including anemia, ulceration, and fistula formation. A diagnosis of proctitis should be taken seriously, prompt medical attention should be sought and further management or treatment should be prescribed.