Sponsored by Fujian Medical Association and Fujian Cancer Hospital, supported and co-organized by the French Embassy in China, the 6th Fujian International Radiation Oncology Symposium and the 27th Sino-French Radiophysics and Radiotherapy Quality Control Training Course jointly organized by Radiation Oncology Branch of Fujian Medical Association, Radiation Oncology Committee of Fujian Anti-Cancer Association, Radiation Oncology Branch of Fujian Nuclear Society, Fujian Cancer Radiotherapy Quality Control Center and Nasopharyngeal Cancer Professional Committee of Fujian Anti-Cancer Association were held in Xiamen from September 22-25, 2016. More than 200 experts and scholars from home and abroad attended the conference. The opening ceremony of the meeting was presided over by Professor Wu Junxin, Chairman of Radiation Oncology Therapy Branch of Fujian Medical Association and Chairman of Radiation Oncology Therapy Professional Committee of Fujian Anti-Cancer Association. Academician Yu Jinming, Chairman of Radiation Oncology Therapy Professional Committee of China Anti-Cancer Association, Honorary Chairman of Nasopharyngeal Cancer Professional Committee of China Anti-Cancer Association, Professor Pan Jianji, Vice Chairman of Chinese Radiation Oncology Society and Vice Chairman of Fujian Anti-Cancer Association, MARINELLO G, CHAVAUDRA J, MALET C, GRELLIER N, famous French radiophysics and radiotherapy experts, Professor Yu Zihao, Xu Guozhen and Shen Wenjiang, famous Chinese radiotherapy experts, and more than 40 experts attended the meeting.