Potassium permanganate is generally not used for wounds. Potassium permanganate solution belongs to strong oxidizing agent, generally will not be used to clean wounds, mainly for hemorrhoids patients sitz bath, and need to be prepared under the guidance of a doctor, potassium permanganate has a strong irritation to the local skin, long-term use will cause local skin ulceration, hyperpigmentation. For smaller wounds generally need to be disinfected and wound dressing to prevent infection, for larger wounds first need to be cleaned and disinfected, and under the guidance of a doctor to use amoxicillin capsules, roxithromycin capsules and other drugs for treatment. It is recommended that the patient be examined under the guidance of the doctor, and at the same time pay attention to keep the wound clean and dry, pay attention to the diet, and avoid eating spicy and stimulating food during the wound healing period.