We summarize and analyse the video-assisted thoracoscopies (VATS) performed in our department during the last ten years. In this period 296 patients underwent VATS for diagnosis or therapy. We describe indications, advantages and disadvantages, we also analyse the complications. Video-assisted thoracoscopy is less demanding to the patients than thoracotomy, it reduces the length and cost of inpatient treatment. We recommend extensive use of VATS in suitable patients.