The common ratio of potassium permanganate powder to water is 1:5000, use cool water or warm water for dilution. Add 1g of potassium permanganate powder and 5000ml of cool water or warm water in a clean container, dissolve both of them fully, stirring constantly until the color is evenly distributed, and it can be used when it is pink (or rose color) when observed by the naked eye. Potassium permanganate solution has a disinfectant and antibacterial effect, and is commonly used in the treatment of vaginitis, vulvar boils, bartholin gland abscesses after stoma, and the disinfection of wounds in post-partum perineal lateral incision. The drug can also assist in the treatment of hemorrhoids through its antibacterial effect. It should be noted that the combined use of hemorrhoidal medication should be used as prescribed by the doctor in order to achieve symptomatic relief. The duration of sitz bath is usually 10~15 minutes, 1~2 times a day for 5~7 days. You can also choose the appropriate time for the sitz bath according to the specific condition. When using potassium permanganate solution sitz bath, must pay attention to control the concentration of potassium permanganate, so as not to burn the skin, during the sitz bath should also pay attention to a light diet, do not eat too stimulating food. The drug needs to be used under the guidance of a doctor to avoid adverse consequences.