Lip ulcers can be seen in recurrent aphthous ulcers or leukoaraiosis, etc., medication to anti-inflammatory pain, to promote healing, can be coated with anti-inflammatory drugs to promote healing or analgesic gel. 1. Recurrent Aphthous ulcers. Lip ulcers can be coated with anti-inflammatory drugs to promote healing, anti-inflammatory drugs to promote healing include tretinoin ointment, ice borax, gentamycin ointment, dexamethasone ointment, human epidermal growth factor gel and so on. As ulcers often cause severe pain, can also be applied locally lidocaine gel, benzocaine gel and other drugs for anesthesia pain relief. 2. Leukosis. Lip ulcers caused by leukemia can also be treated with anti-inflammatory pain medications for aphthous ulcers to promote healing, but also need to address the cause of the disease, such as the use of the immunosuppressant methotrexate. The use of medications for lip ulcers should be used in accordance with medical advice, and undesirable external stimuli should be removed.