The measures of anal itching after stool are: a,, can be adjusted by adjusting dietary habits and work and rest routine change, reduce spicy, stimulating food intake, frying vegetables as little as possible seasoning, can not be well absorbed by the intestinal tract, thus stimulating the anorectal mucosa caused by itching. Usually eat more food containing more dietary fiber, such as celery, cabbage, eat more fruits containing more water, such as apples, dragon fruit, to avoid dry stools, and at the same time can adjust the intestinal tract, promote the smooth discharge of stools, reduce intestinal irritation. Second, pay attention to the hygienic habits of the anal opening, change underwear diligently, avoid sitting for a long time, can reduce perianal friction. Third, you can use potassium permanganate water to do bath after defecation at night, and use hemorrhoidal suppository or hemorrhoidal ointment stuffed into the anus after doing bath, which can stop itching, anti-inflammatory and reduce swelling.