The doctor will take a detailed medical history, conduct an oral examination, combine the results of laboratory tests and biopsy if necessary, and take treatment measures after clarifying the cause, as follows: 1. When suffering from herpetic stomatitis, the mucous membrane of the lips can form a large number of small blisters that can quickly break down, so you can rub herpes net on the mucous membrane and take antiviral drugs orally. 2. When the mucous membrane of the lip is dry and scales are formed, glycerin or erythromycin ointment can be applied, and if necessary, closed treatment. 3, suffering from herpetic diseases, such as aspergillosis, the mucous membrane of the lip has a large volume of blisters, and a large piece of mucous membrane is shed, you can spray gold throat health spray, etc., and apply adrenal corticosteroids.