Background: Geographic tongue (GT) is a state of the tongue surface which is characterized by an atrophic filiform papillary, a rising in surrounding borderline with yellowish white appearance, and presentations in varying locations and shapes. One of the predicting factors of GT is nutritional deficiency. Objective: to determine the prevalence of GT and nutritional status among first grade school children at Tanjungsari Subdistrict of Sumedang. Methods: It was a descriptive research with the implementation of survey method. The sampling was obtained according to inclusion criteria. The research locations comprised of three elementary school representatives in Tanjungsari sub-district, Sumedang. Nutritional status was assessed using Food Frequency Questionaire (FFQ) Results: There were 200 children with a prevalence of geographic tongue in a total of 4.5%. Nutritional status obtained a result of 11.11% student included in the above-normal criteria, 22.22% students included in normal criteria, 11.11% student included in low deficiency criteria, 33.33% students included in moderate deficiency criteria, and 22.22% students included in high deficiency criteria. Conclusion: The prevalence of geographic tongue among first grade school children at Tanjungsari District of Sumedang is 4.5% with the highest nutritional status in moderate deficiency category. Background : Geographic tongue (GT) is a state of the tongue surface which is characterized by an atrophic filiform papillary, a rising in surrounding borderline with yellowish white appearance, and presentations in varying locations and shapes. One of the predicting factors of GT is nutritional deficiency. Objective : t o determine the prevalence of GT and nutritional status among first grade school children at Tanjungsari Subd istrict of Sumedang . Methods: It was a descriptive research with the implementation of survey method. The sampling was obtained according to inclusion criteria . The research locations comprised of three elementary school representatives in Tanjungsari sub-district, Sumedang . Nutrition al status was assessed using Food Frequency Questionaire (FFQ) Results: The re were 200 children with a prevalence of geographic tongue in a total of 4.5%. Nutritional status obtained a result of 11.11% student included in the above-normal criteria, 22.22% students included in normal criteria, 11.11% student included in low deficiency criteria, 33.33% students includ ed in moderate deficiency criteria , and 22.22% students included in high deficiency criteria . Conclu s ion: The prevalence of geographic tongue among first grade school children at Tanjungsari District of Sumedang is 4.5% with the highest nutritional status in moderate deficiency category . Keyword: Children, elementary school, first grade, geographic tongue; nutritional status 1024x768 Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:Table Normal; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibri,sans-serif; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:Times New Roman; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Times New Roman; mso-bidi-theme-font:minor-bidi;}