If you feel something writhing in the anus, exclude whether you have anal itching, often accompanied by anal dampness, and also exclude whether you have hemorrhoids, anal fissures, proctitis, anal sinus inflammation and other common diseases that occur in the anus. You can go to the anorectal department of a regular hospital to do anal visual examination, anal finger diagnosis, or anoscopy, these tests are relatively simple and can be done as you go, it is best to empty the bowels before the examination, when the diagnosis is clear, timely use of drugs for symptomatic treatment. You should also pay attention to eating less spicy and irritating food, less fried food, drink more water, eat more fresh fruits and vegetables, eat less spicy food, don’t stay up late, pay attention to maintaining regular living habits and work and rest time.