Surgical physical examination has an examination of the anus as an item, which is performed with the finger. Anal examination can check the hardness, elasticity, and narrowing of the anal canal for lumps, ulcers, and pain, and the doctor can find out whether there is blood, mucus, and other important phenomena in the anus through anal finger examination, which can detect rectal cancer early. Anal examination is very important. Anal examination scares many people because of pain and the gender and privacy of the doctor who performs it. It is very important to examine the anus because it can detect diseases such as rectal cancer in advance. Especially if you have had polyps, have a family member with colorectal cancer, have had ulcerative colitis, or have had blood mixed in your stool, you should have an anal exam, and it is best to go to the hospital every year for an anal finger check.