Mouth swelling clinically common causes are mainly the following situations: First, the patient inadvertently fell during strenuous exercise, which can cause soft tissue damage to the lips, and obvious symptoms of swelling and pain. At this time, the patient can be given a thorough local disinfection, local ice packs for 24 hours to reduce tissue exudation. 24 hours later, change the use of blood circulation and blood stasis cream external coating, hot ampicillin packs external compresses, oral bruise pills, swollen pain, etc., to promote the swelling of the mouth to alleviate the symptoms of the quicker; second, if the patient fell on the lips of a more serious injury, accompanied by a local laceration and hematoma formation. At this time, the simple external application of drugs is not able to reduce the symptoms of swelling as soon as possible, you need to carry out as soon as possible the lips of the trauma disinfection, thoroughly remove the local hematoma, suture hemostasis. After surgery, strengthen the anti-sensory, analgesic, swelling and other supportive treatment. Patients can gradually relieve the symptoms of oral swelling after 3-5 days.