The article provides a critical review of endoscopic methods in direct laryngoscopy, bronchoscopy, and oesophagoscopy. It highlights the significant advancements in these techniques over the past few years, which have enabled the diagnosis and treatment of various pathological conditions in the airways and food passages. The author discusses the evolution of endoscopic instruments, such as laryngeal speculums, bronchoscopes, and oesophagoscopes, and their modifications to improve safety and effectiveness. The article also covers the patient positioning, anesthesia, and specific techniques for each procedure. It emphasizes the importance of teamwork between physicians and radiologists in diagnosing and treating conditions like foreign bodies, tumors, and strictures in the airways and oesophagus. The review concludes by advocating for further specialization in endoscopic practices to enhance medical science.The article provides a critical review of endoscopic methods in direct laryngoscopy, bronchoscopy, and oesophagoscopy. It highlights the significant advancements in these techniques over the past few years, which have enabled the diagnosis and treatment of various pathological conditions in the airways and food passages. The author discusses the evolution of endoscopic instruments, such as laryngeal speculums, bronchoscopes, and oesophagoscopes, and their modifications to improve safety and effectiveness. The article also covers the patient positioning, anesthesia, and specific techniques for each procedure. It emphasizes the importance of teamwork between physicians and radiologists in diagnosing and treating conditions like foreign bodies, tumors, and strictures in the airways and oesophagus. The review concludes by advocating for further specialization in endoscopic practices to enhance medical science.