Potassium permanganate sitz baths after hemorrhoid surgery are generally available twice a day. A dilute solution of potassium permanganate for sitz baths is helpful for the recovery of incisions after hemorrhoid surgery. Potassium permanganate is a strong oxidizing agent that kills various bacteria, fungi and other pathogenic microorganisms, so be sure to follow your doctor’s instructions when using it and read the instructions carefully for precautions and contraindications. The ratio of potassium permanganate tablets to warm water is usually 1:5000 or a more dilute solution, the concentration should not be more concentrated than 1:5000, must strictly control the concentration of the solution, low concentration has an astringent effect, high concentration has a stimulating and corrosive effect will burn the skin or mucous membrane; to stir evenly, the naked eye can be observed as a light pink can be used; use the configuration at any time, do not leave too long. If there is burning sensation, redness and swelling at the site of application, stop using the drug and wash the local drug, consult with the physician if necessary. It is prohibited for those who are allergic to this product and used with caution for those with allergies.