Alcohol should not be dripped into the pericoronitis of wisdom teeth. Alcohol is generally used for external disinfection only, and is too irritating to be dripped directly into the gums around the wisdom teeth. Wisdom tooth pericoronitis when the gums are red, swollen and bleeding, and the crown of the teeth between the formation of deep periodontal pockets, due to the greater irritability of alcohol, can not be in the pocket of the gum drops of alcohol, the general use of hydrogen peroxide or saline to rinse the pocket of the gums, to be free of obvious exudate, the use of iodine glycerin on the medication. As wisdom teeth are often blocked in the mouth, wisdom tooth extraction is recommended after the wisdom tooth pericoronitis is eliminated. When wisdom teeth pericoronitis occurs, should be as soon as possible to the hospital for anti-inflammatory treatment, to avoid the spread of inflammation caused by interstitial infection, the above operation should be carried out by a dentist.