The incidence of lung cancer is the first among malignant tumors in China, the mortality is also very high, lung cancer treatment and the whole process management has become the focus of attention. In order to further promote the development of the diagnosis and treatment of lung cancer, better promote the accurate diagnosis and standardized treatment of lung cancer and improve the quality of life of lung cancer patients, Chengdu High-tech Medical Association and the First Affiliated Hospital of Xi 'an Jiaotong University jointly held the "Lung with Length - Lung Cancer Precision Diagnosis and Treatment Forum (the ninth phase)" on September 21, 2024. They are mainly multidisciplinary medical and health professionals in the departments of oncology, respiratory, thoracic surgery, radiotherapy, pathology and imaging. Focusing on the topics of standardized diagnosis and treatment of lung cancer, adverse reaction management and the latest progress in lung cancer treatment, the multi-disciplinary diagnosis and treatment level of lung cancer treatment has been improved through online communication and learning. This series of conferences aims to build a high-end academic exchange platform, promote the development of related health undertakings, and promote academic exchanges, disciplinary integration and academic and industrial transformation.