The presence of red dots on the tip and edge of the tongue indicates that the inflammation of the papillae on the surface of the tongue is the cause. When this occurs, it can be considered from the following aspects: i. The patient has a fever before the symptoms appear. Usually, after the fever, the oral cavity will have the appearance of inflammation of the filiform papillae on the surface of the tongue, or the fungiform papillae, and thus the symptoms of red dots appear. Secondly, during the usual diet, excessively hot food is consumed, resulting in congestion on the surface of the tongue and the phenomenon of red dots on the tip and edge of the tongue. In this case, the patient can drink a small amount of water several times to promote metabolism, the color will naturally disappear and return to normal, the patient does not need to worry too much.