White skin on the inside of the lips may be the phenomenon of aspergillosis. Aspergillosis is caused by low body immunity, and when the lesion appears, there may be dry mouth, difficulty swallowing in the throat, and stinging pain. You can choose to use pain medication, commonly 2% lidocaine or 0.25% tetracycline or aureomycin gargle, which can ensure oral hygiene. If necessary, adrenocorticotropic hormone can be used to promote the healing process, such as watermelon cream spray or compound corticosteroid. It is also recommended to improve the body’s resistance. Commonly used medications include levamisole or you can choose transfer factor, thymidine, etc.