Small red dots on the tongue may be a sign of lingual papillitis, which is generally divided into four types: filiform papillae, fungal papillae, contoured papillae and lobular papillae. Usually if there is malnutrition, anemia or fungal infection or viral infection, it is easy to produce the phenomenon of lingual inflammation. In addition, if there are bad restorations in the mouth, or if you eat spicy or irritating food for a long time, it is also easy to irritate the oral mucosa and the mucosa of the tongue, which can also lead to the phenomenon of small red dots on the tongue. Such are due to inflammation of the tongue papillae, and should be removed from the cause, reduce the intake of irritating food, such as acid, spicy, hot, etc. Removing calculus, removing bacteria from the mouth, modifying bad restorations, and sharpening sharp tips will help clean the mouth and prevent tongue inflammation or ulcers. If there is anemia or vitamin deficiency, it should be supplemented in time to avoid the abuse of antibiotics.