Pulmonary tuberculosis is the most common form of tuberculosis in children; According to the WHO, tuberculosis pulmonary tuberculosis in children represents approximately 80% of all cases of tuberculosis in children. In 2020, there were approximately 1.0 million new cases of pulmonary tuberculosis among children worldwide. In France, childhood tuberculosis remains a rare disease; the most recent data show a rate of 3.3 cases per 100,000 inhabitants among children under 15 years old in 2019. Pulmonary tuberculosis in children can lead to complications such as bronchiectasis and pneumothorax. Children living in homes where an adult has a active tuberculosis, or children with diseases chronic, malnourished or suffering from HIV are more likely to contract tuberculosis. The aim of this research is to determine the incidence, identify the risk factors as well as the clinical forms of pulmonary tuberculosis in children hospitalized at Strasbourg University Hospitals between 2012 and 2022.