In order to promote the update of knowledge in the field of lung cancer treatment and to build a platform for academic exchange within and outside the province, to better connect the medical workers in the field of lung cancer treatment such as breathing, tumor, chest, etc. . On June 30,2006, the Chengdu high-tech Medical Association held a 2023 seminar on immunotherapy for lung cancer. The Chengdu high-tech Medical Association invited outstanding experts from Southwest China to discuss the new progress in the diagnosis and treatment of lung cancer and share their experience so as to better summarize experience, improve treatment level and build an academic platform, benefit more medical staff and patients.