There is no authoritative literature proving the therapeutic effect of Compound Pearl Mouth Sore Granules on oral lichen planus. Compound Pearl Mouth Sore Granules are often used in the treatment of recurrent oral ulcers and other diseases, and oral lichen planus can be treated with glucocorticoids or antifungal drugs. 1. The main ingredients of Compound Pearl Mouth Sore Granules are pearl, five times seeds, Cangzhu, licorice, etc. It is suitable for the treatment of recurrent oral ulcers, as well as dry mouth, halitosis, red tongue and other diseases or symptoms. A small number of patients can be mild nausea after taking, its contraindications are not clear, anemia and allergies should be used with caution. 2. Oral lichen planus can be applied to local drug therapy, commonly used drugs are glucocorticosteroids, such as clobetasol gel, florbetasol acetate, etc., as well as antifungal drugs, such as mycotoxin gargle or film. The above drugs need to be used under the guidance of a doctor, and it is recommended to go to the hospital to receive professional treatment.