Map tongues are mostly found in children aged 4-5. It mainly appears on the back of the tongue, and sometimes it can also appear on the edge, abdomen and tip of the tongue. The filiform papillae and fungoid papillae of the tongue are exfoliated to form a round and oval smooth red exfoliation area, and fungoid papillae can sometimes be clearly seen. Single or multiple occurrences can quickly merge into pieces, and the boundary rises slightly, like the boundary of a map. Its shape and position are changeable, the peeling area gradually expands in the centrifugal direction, and its white edge also expands or breaks off, which makes people feel that the lesion is wandering. The lesion can last for a long time or heal in a short time. Tongue movement and taste are normal. The cause of map tongue is unknown, and it is related to indigestion, intestinal parasites and vitamin B deficiency in children. In adults, it is related to menstrual cycle, anemia, gastrointestinal dysfunction, mental and emotional instability, overwork and focal infection; In addition, it may be related to heredity. Strawberry tongue: Scarlet fever is a clinical symptom. At the beginning of the disease, the tongue coating is white and thick, and the nipple of the tongue is red and swollen, especially at the tip of the tongue and the front edge of the tongue. It exists for about 2 ~ 3 days. I hope it can help you!