Acute pericoronitis is divided into two types: acute and chronic. The main symptoms of acute inflammation are painful swelling of the tissue around the wisdom tooth and varying degrees of mouth opening restriction, caused by incomplete eruption or blockage of the wisdom tooth. The main symptoms are swelling and pain around the wisdom tooth and varying degrees of restriction in opening the mouth, and severe pain when eating and drinking. The chronic wisdom tooth pericoronitis is often due to incomplete treatment of acute inflammation, followed by recurrent episodes, if not treated in a timely manner, local fistulas and a variety of complications can occur. The treatment of pericoronitis should also be combined with the improvement of diet and lifestyle habits, during the treatment period should pay attention to maintain oral hygiene, light diet, avoid strain and stay up late, quit smoking and alcohol and other bad habits. In conclusion, the treatment of pericoronitis must take a strict anti-inflammatory treatment program and sufficient course of medication, according to the guidance of the dentist to choose the appropriate antibiotics and Chinese medicine to clear heat and detoxification, the symptoms disappear, to avoid recurrence, should be extracted as soon as possible often recurrent inflammation, wisdom teeth need to be extracted.