The vulva is rich in blood vessels and the skin is fragile. If alcohol is used to sterilize the skin, it may cause a burning sensation and ulceration of the vulva. If you don’t use pure alcohol but only 75% alcohol, the chance of causing damage may be lower, it is recommended to carry out localized warm water to wash can be. If it is 99% pure alcohol, the chance of causing damage to the vulva is very large, first of all, we must wash to relieve the discomfort of the vulva, if necessary, you can use erythromycin ointment coated vulva, to play a protective role, to avoid the alcohol will be long time stimulation of the vulva, which will lead to ulceration of the situation. If especially uncomfortable, need to go to the hospital gynecology for gynecological examination, according to the situation need to carry out symptomatic medication.