How to cure geographic tongue?

No cure: There is no cure. Only treatment of symptoms. This is a benign lesion and quite common. Some people need to avoid certain foods that are too spicy or salty. Others may benefit from a medicated mouthwash, but in the majority of cases, no treatment at all is neccessary.

Migratory glossietis: This is not an abnormality it runs in families , in essence it's not a disease that you can treat , live with it and nothing can be done about it