Mouth ulcers, also called mouth ulcers, commonly known as mouth sores, are a common occurrence in the oral mucosa, ulcerative injury condition. It is usually often associated with complications such as bad breath, chronic pharyngitis, constipation, and enlarged lymph nodes. It can develop all year round. The treatment of mouth ulcers, with Chinese medicine treatment is more effective, available Chinese medicine: three yellow tablets, niuhuang detoxification tablets, gentian diarrhea liver pill and other Chinese medicine, to clear the stomach fire treatment, need to consider eating cephalosporins or norfloxacin and other antibiotics; topical drugs can be used gynecare, or jieer yin gargle, the effect is good, you can also use Huasu tablets contained in the ulcer site, or vitamin C paste on the ulcer surface.