The ASTRO Annual Meeting is the most important academic conference of global radiation oncology. Every year, experts and scholars from radiation oncology related fields from around the world gather to conduct a comprehensive exchange on the latest advances in radiation oncology clinical research, physical technology and equipment, and radiobiology. The radiotherapy departments actively submitted our studies to the meeting. 20 abstract have been accepted as oral presentation, poster discussion and poster viewing respectively. The inclusion rate ranks the leading level in China and we will show the world the results of scientific research in radiotherapy treatment of our hospital in recent years in the conference.