Which is more accurate, proctoscopy or fecal occult blood, needs to be judged in the context of the specific situation. For example, for rectal diseases, proctoscopy is more accurate; for preliminary judgment of whether there is gastrointestinal bleeding in other parts of the body, fecal occult blood test is simple and convenient. The indications for proctoscopy and fecal occult blood are different, and the significance of the examination is different. 1. Proctoscopy: It is suitable for the diagnosis of rectal mucosal diseases, and can clearly and intuitively observe the diseased mucosa, which has the significance of confirming the diagnosis. 2. Fecal occult blood test: It is suitable for the preliminary screening of digestive tract diseases. If the fecal occult blood test is positive, further gastroscopy and colonoscopy can be performed to confirm the diagnosis. For the choice between proctoscopy and fecal occult blood test, it is recommended to follow the doctor’s advice.