Do colonoscopy after hemorrhoids have been bleeding can take conservative treatment and surgical treatment methods, such as thrombosed external hemorrhoid stripping removal surgery, hemorrhoidal mucosal ring cutting stapling and other methods of surgical treatment. 1. Conservative treatment: hemorrhoids have been bleeding can be cleaned after defecation, with warm water or potassium permanganate diluted solution sitz bath, at the same time can be in the doctor’s guidance with the use of medication for local treatment, such as compound hydroxybenzoyl sulfate ointment, Yunnan Baiyao hemorrhoidal ointment, chlorhexidine acetate hemorrhoidal suppository, and other medications can play a role in anti-inflammatory, hemostatic effect. 2. Surgical treatment: If the hemorrhoid bleeding is serious, jet-like or accompanied by more obvious symptoms of swelling, pain, it is recommended to timely surgical treatment. Generally can take thrombosed external hemorrhoid stripping removal surgery, hemorrhoidal mucosal ring cutting stapling surgery and other methods for surgical treatment. It is recommended that patients should keep the surgical incision site clean and dry after surgery to prevent the occurrence of infection. After doing colonoscopy hemorrhoids keep bleeding, it is recommended that patients seek timely medical treatment and determine the treatment plan with the assistance of the doctor to avoid delaying the condition.