There are two main methods of treating blisters at the corners of the mouth, including home treatment and medication. Blisters at the corners of the mouth are mainly due to inflammation caused by bacteria, so the purpose of treatment is mainly to destroy the bacteria and not give them room to live. Home treatment can be done by rinsing the affected area with salt water, which has a bactericidal effect, and the rinsing of salt water can also destroy the environment for the survival of bacteria, so that the symptoms do not continue to worsen, which can control the disease so that the disease can be controlled. Medication can also be chosen over-the-counter, you can take some anti-inflammatory drugs to control the disease, while controlling the disease can also reduce the pain of the affected area, in most cases, the disease will be cured using such methods. But if the disease is caused by other reasons, you need to seek professional medical help, the doctor will usually prescribe some antifungal or antiviral drugs or some smear type of drugs, such drugs can play a very good effect, the disease will generally be cured. There are many ways to treat blisters at the corners of the mouth, but the best results will occur only if the treatment is based on the cause. When the disease cannot be relieved, you must go to the hospital in time for examination so that some malignant diseases can be ruled out and will also be treated well.