If the lips are swollen after bruising, if only the lip area is bruised, there is no obvious lip defect and fissure, in this case you can go to the hospital for local disinfection, you can repeatedly apply iodophor to the surface of the lips for local anti-inflammatory, and at the same time for the swelling of the lips within 24 hours, you can use the method of local cold compress to relieve local swelling and pain. You can use a medical ice pack or chilled bottled mineral water to apply a cold compress to the lips to relieve the swelling of the lips. Avoid eating spicy and irritating food and food with too high temperature. If the lip part breaks after swelling, there is a relatively large crack, a relatively large wound or bleeding is more serious. In this case to go to the oral and maxillofacial surgery in a timely manner, the oral surgeon will thoroughly disinfect the wound, debridement, suturing, and then the patient should also take oral anti-inflammatory drugs at home for anti-inflammatory treatment, you can take cephalosporin and metronidazole tablets combined anti-inflammatory.