There are many anal diseases, such as hemorrhoids, perianal abscess, intestinal cancer, etc. These diseases can be found during physical examination, but some of them can be seen directly with the naked eye, and some need to be judged by doing an examination. If you want to treat the disease comprehensively, you should do an examination to judge accurately and treat it as early as possible. Anal visual examination: this item is a common examination in anorectology, using two fingers to gently separate the patient’s buttocks and observe whether there is any secretion or protrusion around the anus and the anus, such as external hemorrhoids, anal fissures, abscesses, etc. Rectal palpation: It is to touch the inside of the anus with the index finger to see if there is any lesion, and the patient needs to take a lateral position to facilitate the doctor’s examination. Anal finger examination is one of the easiest and most effective methods of anorectal disease examination. This test can check the disease most directly and is recommended. Anoscopy: It is also a relatively simple test to perform. The method is that the anoscope is first pushed into the anus, then slowly withdrawn, observed during the withdrawal, and the lesion site is recorded by clock, which takes little time, about one minute. Anoscopy is a useful complementary tool to fingerprick examination. These are some simple items of anoscopy, in general, these methods can be checked, of course, if necessary, through colonoscopy, anorectal endoluminal ultrasound, imaging, etc., which need to be decided depending on the condition. I hope that through these explanations, I can better understand the anorectal disease examination, timely anorectal discomfort can be diagnosed as early as possible, early examination and treatment.