Toothache face swelling cold or hot compresses have no obvious effect, often need to consult a doctor, follow the doctor’s instructions anti-inflammatory, root canal treatment. Toothache caused by facial swelling is odontogenic infectious diseases, is the dental nerve pus caused by maxillofacial gap infection, the pus in the apical part of the tooth root did not drain in time, through the mucous membrane or skin pus to the outside, facial swelling occurs. Cold compresses or hot compresses can not eliminate the root cause of inflammation, the need for root canal treatment of the tooth, take out the septic nerve of the tooth for root canal sealing, after the control of inflammation, root canal filling, to prevent re-infection. Serious cases need to be treated with systemic anti-infection therapy, such as oral amoxicillin and other drugs. Cold compresses or hot compresses are not effective in relieving facial swelling, and root canal treatment is needed, along with systemic anti-inflammatory treatment if necessary. The medication should be prescribed by the doctor.