The right side of the tongue moss of 21 years old, a piece of shedding, may be map tongue, tongue inflammation and so on. 1. Map tongue: mainly manifested as exfoliation-like erythema, thickening of the mucous membrane in the surrounding area, yellowish-white strips, the location of which can be arbitrarily changed, mainly associated with heredity, psycho-social factors, immune factors, etc., most of which do not require special treatment. 2. Tongue inflammation: due to the atrophy of the dorsal papilla of the tongue, resulting in reddening of the mucosa, which is peeling-like. Systemic factors are mainly related to malnutrition, vitamin deficiency and other factors; local factors are related to poor oral restorations, dental calculus and other factors, which need to be treated, such as dental calculus may require dental scaling treatment. It is recommended to go to the stomatology department of the regular hospital, and then choose the appropriate treatment plan after the physician examines the cause of the disease.