Clinically there is no such thing as hereditary recurrent oral ulcers, which mostly refers to recurrent Aflatoxic ulcers, mild forms usually do not have accompanying systemic symptoms, herpes-like may have headache, low-grade fever and other uncomfortable symptoms, and severe forms often leave scarring or even cause tissue defects after healing. Recurrent Aflatoxic ulcers are said to be the most common oral ulcers, the exact etiology of which is unknown and may be related to genetic factors. The disease can be categorized into three types: mild, severe and herpes-like aphthous ulcers. The light type usually has no accompanying systemic symptoms, herpes-like may appear increased salivary secretion, headache, low-grade fever, lymph node enlargement and other uncomfortable symptoms, and the heavy type often leaves scarring or even causes tissue defects after healing. It is recommended that recurrent mouth ulcers should be treated in a hospital in a timely manner, and it is specifically recommended that you consult a medical professional.