If this symptom occurs in the area rich in hair follicles, it is mostly considered to be caused by inflammation of hair follicles. This situation should be noted, after using warm water or potassium permanganate solution sitz bath, local application of anti-inflammatory cream for treatment, such as Bactrim cream as an effective choice. At the same time, pay attention to good habits, do not scratch and squeeze to stimulate the lesion, so as not to cause the spread of infection, to wear loose and comfortable underwear, do not rub to stimulate the affected area; also pay attention to try not to eat chili, onion, ginger, garlic and other spicy stimulating food, these foods are not conducive to the recovery of the lesion.