B ackground: Angular cheilitis is a common inflammatory condition affecting the corners of the mouth, fissured, and to bleed easily. The disease can also be accompanied by pain, itching and burning sensation. The etiology of angular cheilitis are infectious agents, bad habits, immune deficiencies and nutritional deficiencies. In general, angular cheilitis that occurs in children is caused by a n utritional deficiency. The purpose of this study was to determine the prevalence of angular cheilitis on child nutritional deficiencies among aged 7 to 9 years in State Elementary School 03 Kedaung Wetan, Neglasari. Materials and Methods: Data collection was done by measuring height and weight as well as recording the child’s age. The total samples in this study were 163 children, taken from children grades 1 to 3 elementary schools. It was an observasional study with cross sectional design. The calculation of the nutritional status used the anthropometric status with Body Mass Index for age (BMI/U). Results: The results of this study showed there were 13 children ( 8 % ) had angular cheilitis, which were 9 boys (5,5%) and 4 girls (2,5%). By calculating the body mass index of anthropometric status of the age from 163 children, there were 30 children with poor nutritional status, and 11 children which were accompanied by poor nutritional status. Conclusion: This study showed that angular cheilitis most suffered by children who have nutritional deficiencies.