On December 2-3, 2017, the first annual meeting of the New Progress in Radiotherapy and the Professional Committee of Tumor Radiobiology and Multimodal Diagnosis and Treatment, sponsored by the Chinese Society of Research Hospitals and the Chinese Society of Biomedical Engineering, and hosted by the Radiotherapy Department of the People's Liberation Army General Hospital, was held in the 8th conference room of the Internal Medicine Building of the People's Liberation Army General Hospital. Professor Qu Baolin, administrative director of the Department of Radiotherapy of the People's Liberation Army General Hospital and chairman of the Professional Committee of Tumor Radiobiology and Multimodal Diagnosis and Treatment of the Chinese Society of Research Hospitals, presided over the opening ceremony of the conference. More than 200 experts and scholars from major radiotherapy units at home and abroad, including Academician Yu Jinming, President Wang Faqiang and Vice President Liu Xihua of Chinese Research Hospital Association, professors Yin Weibo, Yu Zihao, Shen Wenjiang and Wang Lianyuan, famous experts in the field of radiotherapy, Director of Radiotherapy Department of Cancer Hospital of Medical Academy, Li Yexiong, 7th Chairman of Radiation Oncology Branch of Chinese Medical Association, and Lang Jinyi, President of Sichuan Cancer Hospital, attended the conference.