Treatment of potassium permanganate poisoning. A. Immediately induce vomiting and gastric lavage, using a large amount of warm boiled water or 0.5% charcoal suspension to repeatedly lavage and induce vomiting until the outflow of liquid becomes clear and the color is normal, because of the tiny crystals of potassium permanganate embedded in the gastric mucous membrane folds, the gastric lavage should make the poisoned person change different positions until the residual crystals are washed away. Second, after gastric lavage can dissolve vitamin C in 100ml of water, then this solution to the patient, while citing egg white, milk, lotus root powder paste, noodle soup and other foods to protect the gastric mucosa. Third, magnesium sulfate 25g dissolved in warm water, 1 time to drink to induce diarrhea and detoxification. Fourth, in order to prevent vomit from being inhaled by the patient’s trachea, in addition to the lateral position should be taken, should also repeatedly remove their vomit, secretions, to keep their oral and nasal cavities open to avoid asphyxiation and complications of pneumonia.