The causes of perianal itching in women are the following: 1, a large number of chili peppers, chili peppers will stimulate the intestinal tract, stimulate the perianal tissue when discharged causing itching, and in severe cases can cause anal burning pain. You can first drink more water to relieve the symptoms. 2, when women suffer from hemorrhoids, especially external hemorrhoids, local and clothing friction caused by itching, can be treated locally with Ma Yinglong hemorrhoid cream or potassium permanganate sitz bath. 3, women do not pay attention to the hygiene of the perineum, in the female ovulation will have the problem of increased vaginal secretions causing perineal dampness, damp environment breeding bacteria, will stimulate perianal tissue caused by itching. This is a good way to get rid of the itching. 4. When a woman has mycotic vaginitis, the itching is caused by the stimulation of the anal area when the germs are discharged with the leukorrhea. 5. Trichomonas vaginitis, the itching is caused by the increase in secretions and stimulation of the anus after the infection.