Eight-month-old baby’s tongue has two pieces without tongue coating clinically generally called map tongue. It is a kind of wandering lingual inflammation, mainly occurs on the back of the tongue superficial chronic exfoliative inflammation. Baby tongue with two pieces without tongue coating is generally called map tongue. It occurs in children and is usually asymptomatic. It is characterized by a white ring of keratinized circles surrounding an inflamed red papillary exfoliation area on the tongue, which resembles the boundary line of a map and constitutes a patch of regionally confined lesions. Map tongue usually requires no special treatment. Family members should pay attention to help the baby clean the mouth, gently brush from the back of the tongue outward with a soft-bristled brush 1 to 2 times a day. At the same time, we should pay attention to the presence of oral inflammation or upper respiratory tract infections, if there is a need for anti-infective treatment. To add supplemental food to the baby in time, increase nutrition.