Mouth ulcers may need to hang the oral mucosal disease department, there is no mucosal disease department can hang the oral medicine or stomatology, and sometimes need oral surgery consultation, it is recommended that the regular hospital consultation. Oral ulcers are commonly recurrent aphthous ulcers, which are oral mucosal ulcers, and in specialized hospitals you can hang up the oral mucosal disease department, which can usually be treated with drugs that promote healing. When to the general hospital, you can hang the oral medicine or stomatology, check the manifestation of oral ulcers, if it is traumatic, long-term ulcers can not be self-healing may need to go to the oral surgery to do surgical treatment. The cause of mouth ulcers is unknown, and it is recommended that the whole body be examined and treated.