Sitz baths with potassium permanganate are generally available for five-year-old girls, but they need to be carried out strictly under the guidance of a doctor. Potassium permanganate is a kind of strong oxidizing agent, when using potassium permanganate for sitz bath, it can promote the local blood circulation, so as to achieve the effect of anti-inflammation, pain relief and itching. And it has a certain preventive effect on the prevention of gynecological diseases, such as cervicitis, vulvitis, vaginitis and other diseases. Five-year-old girls should pay attention to the temperature of the water when using potassium permanganate warm water for sitz bath, it should not be too high or too low, the water temperature is too high, it may burn the local skin of the vulva; the water temperature is too low, it may not play a role in relieving pain and itching. Prolonged potassium permanganate sitz baths for five-year-old girls may lead to adverse reactions such as redness and swelling of the vulva. When five-year-old girls use potassium permanganate warm water for sitz bath, they should standardize the use of the drug under the guidance of a doctor and pay attention to be accompanied by their parents, so as not to put in too much potassium permanganate, which may cause discomfort to the skin, and please consult the hospital in time when discomfort occurs.