Radiotherapy as a mainstream cancer treatment method,has always been the focus of clinical research in terms of precision,safety,and effectiveness.In recent years,the application of robotic technology in the field of radiotherapy has achieved significant results,especially in critical aspects such as patient positioning,tumor tracking,and dose delivery,showcasing its unique advantages.This article provided a comprehensive overview of the research progress of robotics in the field of radiotherapy,systematically discussing the latest research achievements of robotics in external beam radiotherapy,brachytherapy,radiotherapy positioning assistance,and image-guided radiotherapy,so as to provide reference for the application and development of robotics in radiotherapy.