Mouth ulcers are a common disease that people tend not to take seriously in their daily lives, and this is indeed the case DD occasional or single occurrence of mouth ulcers is not a big deal, mental tension, overwork, emotional excitement, alcohol consumption, etc. are its common triggers, which is something we are used to. However, if it occurs repeatedly, you must pay attention to the possibility of having leukoaraiosis. The main symptoms are recurrent oral ulcers, genital ulcers and uveitis, which are common in young people aged 25-35, but often have oral ulcers as the first symptom and recurrent, and the incidence of pubic ulcers is about 75%. Patients with delayed treatment can be involved in the brain and heart, and serious cases can lead to death. Therefore, it is necessary to pay great attention to the recurrent oral ulcers and strive for early diagnosis and treatment.