Introduction. The growing prevalence of gastrointestinal diseases and nutritional status disorders among school-age children necessitates the study of their relationship with eating habits. The aim of the work: to assess the health status of children depending on eating habits, body weight status by Z-score, and the presence of digestive organ pathology. Materials and methods. A cross-sectional study was conducted involving 352 children aged 6 to 17 years who had previously participated in a survey assessing dietary preferences. Anthropometric examination and analysis of electronic medical records (EMIAS system) were performed; eating habits were assessed using an integral eating-behavior score (correct/incorrect) with a threshold of 8 or more points. Statistical analysis was performed using IBM SPSS Statistics, version 23.0. Results. Body weight disorders were detected in 159 children (45.2%), gastrointestinal pathology — in 223 (63.4%). A statistically significant association was established between eating habits and the presence of gastrointestinal diseases (χ²=47.88; p