If the mouth blisters, need to be treated for the following conditions: 1, caused by viral infection oral herpes simplex, the mucous membrane at the pinhead size of the blisters will merge and break, the formation of superficial ulcers, the surface can be applied to the gold throat Jian, rehabilitation of the new liquid, watermelon cream, tin class, etc., and at the same time, oral acyclovir, interferon, dazhouye combination, plate blue root and other antiviral drugs. 2, suffering from pemphigus formation of larger blisters If you have a pemphigus that forms large blisters, take oral adrenocorticotropic hormone for treatment.3. If the lip glands become obstructed and mucous cysts are produced, smaller cysts can be removed using a laser, and those with a large size can be excised under local anesthesia.4. When there are stumpy roots, stumpy crowns, or bad restorations in the dentition that cause the mucous membrane to rub together and blisters to be produced, it is necessary to remove the local factors, remove the stumpy roots and stumpy crowns, and modify the denture.