The causes of mouth mucous membrane detachment include trauma, herpes, allergy, etc. Symptoms can be improved through general treatment and medication after the cause is clarified. 1. General treatment: After mucous membrane detachment, it is recommended to eat a light diet, avoid spicy and stimulating foods, quit smoking and drinking, have a regular routine, maintain oral hygiene, and rinse the mouth frequently to promote the relief of symptoms. 2. Medication: Mucosal detachment caused by trauma can be prevented by taking antibiotics such as penicillin to prevent infection; mucosal detachment caused by herpes can be treated with acyclovir; mucosal detachment caused by allergic diseases can be relieved by taking medications such as loratadine. Due to individual differences and the complexity and diversity of the cause of the disease, the drug does not have the absolute most effective, need to follow the doctor’s instructions to standardize the use of adverse reactions suggest timely consultation, drug allergy is prohibited.