recurrent mouth ulcers, the main principle of treatment is to actively promote the healing of ulcers, as well as reduce the patient’s pain, but because of this disease it is more complex etiology, there is no good can be completely cured method, can take the following methods to reduce the patient’s pain: First, local symptomatic treatment, you can use metronidazole patch or iodine containing mouthwash, to promote the healing of the ulcer surface, while Furacilin paste can be applied to reduce the pain of ulcers appear. Second, combined with Chinese medicine treatment of the body, because recurrent mouth ulcers is the performance of the systemic immune system deficiency, through Chinese medicine conditioning the body, can achieve the purpose of healing mouth ulcers. Third, insist on using light salt water gargle, some patients can cure recurrent mouth ulcers by insisting on using light salt water gargle for more than half a year.