Recurrent oral ulcers are not yet a cure for the special effects of the treatment of symptomatic treatment, including drug therapy, physical therapy, psychotherapy, specific as follows. 1. Drug treatment: it can be divided into local medication and systemic medication. (1) Local medication: commonly used are chlorhexidine gargle, lidocaine gel, dexamethasone ointment, recombinant bovine alkaline growth factor and so on. (2) Systemic drugs: commonly used glucocorticosteroids, such as prednisone, dexamethasone, prednisolone and so on. 2. Physical therapy: including laser therapy, ultrasonic nebulizing therapy, microwave therapy, etc. 3. Psychotherapy: appropriate psychotherapy can relieve the patient’s anxiety and can assist in the treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication. If the recurrent mouth ulcers are serious, or other symptoms appear, it is recommended to go to the hospital in time.