The feeling of worms wriggling in the anus is first considered to be the cause of external hemorrhoids, which are caused by perianal varicose veins. Long-term varicose veins lead to poorer blood circulation in the perianal mucosa and skin, and the skin mucosa feels abnormal due to malnutrition. In addition, increased secretions can also aggravate the discomfort, you can first change the nature of the stool, solve the treatment of constipation, eat more vegetables, fruits, avoid prolonged sedentary, topical treatment with open-colored anal, daily sitz bath with warm water, the symptoms will gradually improve, if necessary, topical treatment with Ma Yinglong hemorrhoid cream. It is also necessary to exclude the symptoms of parasitic infection in the anus, more common is the infection of winding worms, itching discomfort or writhing sensation at night, using a strong flashlight to irradiate the anus, can be found in the form of thread-like worms, need to take oral intestinal worms and other worm-killing drugs treatment. It is also necessary to consider the symptoms of anal eczema or anal inflammatory infection, which can also appear itching discomfort around the anus. Try to visit a regular hospital and let the doctor check before treating the symptoms.