Oral ulcer is the oral mucosa the most vulnerable to the disease, its incidence rate in oral disease second only to dental caries and periodontal diseases, accounting for third place. We all know that oral ulcers and vitamin B, C, iron and folic acid to lack of relevant, but in the current diet greatly enriched the lives of state, is no longer the main reason. Medical psychological doctors found that anxiety, tension and pressure too easy to trigger ulcers. A hospital investigated 214 cases of oral ulcer patients, the psychological scale tests and found that 165 patients have different degrees of anxiety, tension and other emotional changes. Because of mental stress and other factors affect immune function, resulting in autoimmune diseases, there ulcer. Benign recurrent oral ulcers although not really any serious illness, but is very painful, patients with serious impact on the work and life. However, some patients with recurrent oral ulcers can change from benign to malignant, Then there’s some vicious oral ulcers more easily lead to disease or cancer, so the disease has sufficient attention. In addition to the recurrent oral ulcers proper treatment, but also eat more vegetables, fruits, but also their pace of life slowed down some slightly, reducing tension, anxiety feelings, to reduce the oral ulcer attack and incentives to stay away from disease !