Permanganese lotion generally refers to potassium permanganate lotion, which is a kind of disinfectant and antiseptic drug, and the diluted solution of potassium permanganate can be used for the treatment of glans dermatitis. Glans is the inflammation of the mucosa of the glans, usually caused by infection, local irritation and other factors, and its main manifestations are edematous erythema, erosion, oozing, dryness and other symptoms of the glans and prepuce. Potassium permanganate belongs to the clinically commonly used external disinfection drugs, glans patients will potassium permanganate diluted in the ratio of 1:8000, the use of potassium permanganate solution for local cleaning, in the cleaning of half an hour after the rinse with water, for the glans inflammation has a better therapeutic effect. In addition, patients with glans inflammation can also follow the doctor’s instructions to use boric acid water, isacridine solution, miconazole ointment and other topical drugs for treatment to alleviate the condition, it is recommended that patients strictly follow the doctor’s instructions for medication, do not change the dosage of medication or private abuse of medication, pay attention to personal hygiene and cleanliness, and at the same time do a good job of monitoring the condition, if there is any abnormality in a timely manner to seek medical attention.