Half of the patient’s face is swollen, and the common clinical causes are mainly the following: a. The patient’s wisdom tooth growth on one side can cause significant swelling of half of the face due to local infection and pain, and the patient can be accompanied by difficulty in opening the mouth and restricted activity. It is recommended that the patient go to the stomatology department of the hospital as soon as possible, and feasible extraction of the wisdom tooth, and at the same time take oral swelling and pain capsules, Yunnan Baiyao and other drugs to control the local pain and bleeding, which can be faster The swelling of the face can be relieved more quickly. If the patient accidentally falls and injures the face, which can cause local soft tissue injury and obvious swelling of the face, it is recommended that the patient use ice to apply locally within 48 hours of injury to reduce tissue exudation, and after 48 hours, use Furtalin ointment and blood-stasis ointment to apply externally to promote faster relief of the swelling and pain of the face.