The western medical treatment of frequent mouth ulcers requires both medication and lifestyle interventions at the same time. Mouth ulcers are a common clinical disease of oral mucous membrane damage, mostly seen in vitamin deficiency, mental stress, work pressure and immune function disorders. 1. Medication: For those with more oral ulcers, obvious pain, and short intervals between recurrences, glucocorticoids or immunomodulatory drugs such as thymosin, levamisole, transfer factor, etc. can be used. 5% gentamycin cod liver oil paste, 1% prednisone paste, lidocaine ointment, etc. can be applied to the local broken area. Oral vitamin B complex, vitamin C, etc. can also be taken. 2. Lifestyle intervention: pay attention to oral hygiene, avoid oral mucous membrane breakage, consume more vitamin-rich fruits and vegetables, eat less spicy and stimulating food, and exercise moderately to enhance resistance. The above medications should be used under the guidance of a doctor. Mouth ulcers are recurrent in nature, and it is recommended to seek timely medical treatment after recurrence. In addition to medication, lifestyle intervention should also be carried out to reduce the frequency of recurrence.