Like worms moving in the anus may be due to the following reasons: 1, parasitic infections, such as pinworms, roundworms, etc. will lay eggs and worms in the anus, usually active at night, so the symptoms are obvious at night and relatively light during the day. The patient can find worms in the stool, mostly because of the diet of cold, barbecue, seafood food, patients can take intestinal worms under the guidance of the doctor and other worm-killing drugs, usually pay attention to diet and hygiene. 2, perianal diseases can also cause similar to the feeling of crawling worms, anorectal diseases such as hemorrhoids, polyps, anal fistula, anal fissure, anal eczema, anal inflammation will cause anal itching, patients will feel like the anus The patient will feel like worms crawling in the anus. You can take medication, but serious cases need surgery. If you have such symptoms, you need to go to the hospital for examination, anal finger examination and routine stool tests.