The rapid treatment of pericoronitis includes local rinsing with medication and systemic anti-inflammatory treatment. Pericoronitis is an inflammation that occurs around the crown of a tooth, before the tooth has fully erupted and is partially covered by gums above the distal middle crown, forming a blind pocket. If the teeth are not brushed and rinsed in time to remove food debris after eating, this can lead to bacterial growth causing redness and bleeding around the crown and triggering pericoronitis in wisdom teeth. The blind pocket around the tooth is rinsed with hydrogen peroxide to remove food debris and pus, and then iodine glycerin is applied around the gums to relieve the symptoms. If pericoronitis is recurrent, partial gingival excision can be performed to remove the blind pocket and change the pathogenic environment of pericoronitis. If pericoronitis is left untreated, it may cause further spread of inflammation, sometimes invading the occlusal muscles causing restricted mouth opening, inability to open the mouth widely, or pain in the jaw area, and sometimes systemic symptoms such as fever, etc. This condition requires systemic anti-inflammatory treatment, and anti-inflammatory drugs such as penicillin can be administered intravenously. Therefore, pericoronitis can be treated with local flushing with hydrogen peroxide followed by application of iodoglycerin, or blind pouch removal, and systemic intravenous penicillin if necessary.