Clinically common causes of face pain, there are generally the following: First, the face by mosquito bites after the local allergic reaction, will cause local redness, swelling, pain performance. At this time, patients can be taken orally kairetan, loratadine and other drugs to improve allergy symptoms, local topical application of 0.5% vital iodine can also achieve a better therapeutic effect. Second, patients with abscessed teeth or oral ulcers, when the acute infection in the oral cavity will cause swelling of the facial lymph nodes, resulting in obvious pain symptoms. Patients need anti-infection treatment as soon as possible, the pain can be relieved faster after the inflammation is controlled. Local soft tissue swelling caused by trauma to the face can also cause pain, which can be improved by applying local ice packs to reduce tissue exudation or by taking oral medications such as swelling and pain.