Functional gastrointestinal disorders – are the "problem of the third millennium." These diseases are found in an average of 30-70% of the world's population, with representatives of different ethnic and age categories, men and women. Purpose of study: To investigate the prevalence of functional disorders such as: 1. Functional dyspepsia; 2.Gastroesophageal reflux disease; 3. Irritable bowel syndrome among the students of KNMU.